diff --git a/ax_check_qt.m4 b/ax_check_qt.m4
index e3d7377..5422129 100644
--- a/ax_check_qt.m4
+++ b/ax_check_qt.m4
@@ -82,6 +82,7 @@ AC_DEFUN([AX_CHECK_VALID_FLAG], [
 
 AC_DEFUN([AX_CHECK_QT], [
   qt_modules="$2"
+  qt_modules_optional="$3"
   AX_CXX_QT_TOOLS
   HAVE_$1=0
   PKG_PROG_PKG_CONFIG
@@ -89,36 +90,59 @@ AC_DEFUN([AX_CHECK_QT], [
     HAVE_$1=1
     AC_DEFINE([HAVE_$1])
     AM_CPPFLAGS+=" ${[$1]5_CFLAGS}"
+    MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
     AM_CXXFLAGS+=" ${[$1]5_CFLAGS}"
     LIBS+=" ${[$1]5_LIBS}"
+    if test -n "${qt_modules_optional}"; then
+      PKG_CHECK_MODULES([$1]5_OPTIONAL, [${qt_modules_optional//Qt/Qt5}], [
+        AM_CPPFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
+        MOC_FLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
+        AM_CXXFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
+        LIBS+=" ${[$1]5_OPTIONAL_LIBS}"
+      ], [
+        AC_MSG_NOTICE([Not found: ${qt_modules_optional//Qt/Qt5}])
+      ])
+    fi
   ], [
     PKG_CHECK_MODULES([$1], [${qt_modules}], [
       HAVE_$1=1
       AC_DEFINE([HAVE_$1])
       AM_CPPFLAGS+=" ${$1_CFLAGS}"
+      MOC_FLAGS+=" -DHAVE_$1=1 ${$1_CFLAGS}"
       AM_CXXFLAGS+=" ${$1_CFLAGS}"
       LIBS+=" ${$1_LIBS}"
+      if test -n "$3"; then
+        PKG_CHECK_MODULES($1_OPTIONAL, [${qt_modules_optional}], [
+          AM_CPPFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
+          MOC_FLAGS+=" ${$1_OPTIONAL_CFLAGS}"
+          AM_CXXFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
+          LIBS+=" ${$1_OPTIONAL_LIBS}"
+        ], [
+          AC_MSG_NOTICE([Not found: ${qt_modules_optional}])
+        ])
+      fi
     ], [HAVE_$1=0])
   ])
   AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
   AX_CHECK_VALID_FLAG([-fPIC -fPIE], [position independent code flag])
   AC_SUBST(AM_CPPFLAGS)
+  AC_SUBST(MOC_FLAGS)
   AC_SUBST(AM_CXXFLAGS)
   AX_ADDITIONAL_QT_RULES_HACK='
 ui_%.hxx: %.ui
-	${UIC} -o [$][@] $<
+	$(UIC) -o [$][@] $<
 
 moc_%.cxx: %.hxx
-	${MOC} -o [$][@] $<
+	$(MOC) $(MOC_FLAGS) -o [$][@] $<
 
 qrc_%.cxx: %.qrc
-	${RCC} -o [$][@] $<'
+	$(RCC) -o [$][@] $<'
   AC_SUBST(AX_ADDITIONAL_QT_RULES_HACK)
 ])
 
 AC_DEFUN([AX_REQUIRE_QT], [
-  AX_CHECK_QT([$1], [$2])
+  AX_CHECK_QT([$1], [$2], [$3])
   if ! test "$HAVE_$1" -eq 1; then
      AC_MSG_ERROR([Required Qt modules not found: $2])
   fi
-])
\ No newline at end of file
+])
diff --git a/ax_init_standard_project.m4 b/ax_init_standard_project.m4
index c1a4b06..b718099 100644
--- a/ax_init_standard_project.m4
+++ b/ax_init_standard_project.m4
@@ -104,8 +104,8 @@ AC_DEFUN([AX_USE_CXX], [
 
   AC_CONFIG_FILES([src/makefile])
   
-  AM_CPPFLAGS='-I ${top_srcdir}/src -I ${top_builddir}/src'
-  AM_LDFLAGS='-L ${top_srcdir}/src -I ${top_builddir}/src'
+  AM_CPPFLAGS='-I ${top_srcdir}/src -I ${top_builddir}/src -I ${srcdir} -I ${builddir}'
+  AM_LDFLAGS='-L ${top_srcdir}/src -L ${top_builddir}/src'
 
   # Get rid of that stupid -O2 -g opions!
   CXXFLAGS="${CXXFLAGS:-}"
@@ -140,6 +140,13 @@ AC_DEFUN([AX_USE_CXX], [
   AC_SUBST(AM_CXXFLAGS)
   AC_SUBST(AM_CPPFLAGS)
   AC_SUBST(AM_LDFLAGS)
+  AX_ADD_MAKEFILE_TARGET_DEP([maintainer-clean-am], [maintainer-clean-cxx-targets], [src/makefile.in])
+  test -f src/makefile.in && cat >> src/makefile.in <<EOF
+#### Begin: Appended by $0
+maintainer-clean-cxx-targets:
+	-rm makefile.in
+#### End: $0
+EOF
 ])
 
 AC_DEFUN([AX_USE_CPPUNIT], [
@@ -154,6 +161,13 @@ AC_DEFUN([AX_USE_CPPUNIT], [
 
 AC_DEFUN([AX_BUILD_EXAMPLES], [
   AC_CONFIG_FILES([examples/makefile])
+  AX_ADD_MAKEFILE_TARGET_DEP([maintainer-clean-am], [maintainer-clean-example-targets], [examples/makefile.in])
+  test -f examples/makefile.in && cat >> examples/makefile.in <<EOF
+#### Begin: Appended by $0
+maintainer-clean-example-targets:
+	-rm makefile.in
+#### End: $0
+EOF
 ])
 
 AC_DEFUN([AX_USE_LIBTOOL], [
@@ -167,6 +181,20 @@ AC_DEFUN([AX_USE_LIBTOOL], [
   AC_SUBST(LIB_VERSION)
   AC_PROG_LIBTOOL
   AC_CONFIG_FILES([src/${PACKAGE_NAME}.pc])
+  AX_ADD_MAKEFILE_TARGET_DEP([install-data-am], [install-data-libtool-pkg], [src/makefile.in])
+  AX_ADD_MAKEFILE_TARGET_DEP([uninstall-am], [uninstall-data-am], [src/makefile.in])
+  AX_ADD_MAKEFILE_TARGET_DEP([uninstall-data-am], [uninstall-data-libtool-pkg], [src/makefile.in])
+  test -f src/makefile.in && cat >> src/makefile.in <<EOF
+#### Begin: Appended by $0
+install-data-libtool-pkg:
+	test -d \$(DESTDIR)\${libdir}/pkgconfig || mkdir -p \$(DESTDIR)\${libdir}/pkgconfig
+	chmod -R u+w \$(DESTDIR)\${libdir}/pkgconfig
+	cp \${PACKAGE_NAME}.pc \$(DESTDIR)\${libdir}/pkgconfig/
+uninstall-data-libtool-pkg:
+	-chmod -R u+w \$(DESTDIR)\${libdir}/pkgconfig
+	-rm -f \$(DESTDIR)\${libdir}/pkgconfig/\${PACKAGE_NAME}.pc
+#### End: $0
+EOF
 ])
 
 AC_DEFUN([AX_USE_DEBIAN_PACKAGING], [
@@ -264,3 +292,19 @@ AC_DEFUN([AX_PKG_REQUIRE], [
   AC_SUBST(AM_CPPFLAGS)
   AC_SUBST(AM_CXXFLAGS)
 ])
+
+AC_DEFUN([AX_PKG_CHECK], [
+  PKG_PROG_PKG_CONFIG
+  PKG_CHECK_MODULES([$1], [m4_default([$2], [$1])], [
+    HAVE_$1=1
+    AM_CPPFLAGS+=" ${$1_CFLAGS}"
+    AM_CXXFLAGS+=" ${$1_CFLAGS}"
+    LIBS+=" ${$1_LIBS}"
+  ], [
+    HAVE_$1=0
+  ])
+  AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
+  AC_SUBST(HAVE_$1)
+  AC_SUBST(AM_CPPFLAGS)
+  AC_SUBST(AM_CXXFLAGS)
+])
diff --git a/bootstrap.sh b/bootstrap.sh
index f961972..4715521 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -47,22 +47,22 @@ run() {
         esac
         shift;
     done
-    echo -n "-> running: $* ..."
+    echo -en "\e[1m-> running:\e[0m $* ..."
     result=$($* 2>&1)
     res=$?
     if test $res -ne 0; then
         if test $check -eq 1; then
-            echo " error"
-            echo "*** Failed with return code: $res"
+            echo -e " \e[31merror\e[0m"
+            echo -e "\e[1m*** Failed with return code: $res\e[0m"
             if test -n "$result"; then
                 echo "$result"
             fi
             exit 1
         else
-            echo " ignored"
+            echo -e " \e[33mignored\e[0m"
         fi
     else
-        echo " success"
+        echo -e " \e[32msuccess\e[0m"
     fi
 }
 
@@ -92,18 +92,18 @@ to() {
         return
     fi
     checkdir "$(dirname ${1})"
-    echo -n "-> generating $1 ..."
+    echo -en "\e[1m-> generating:\e[0m $1 ..."
     result=$(cat > "$1" 2>&1)
     res=$?
     if test $res -ne 0; then
-        echo " error"
-        echo "*** Failed with return code: $res"
+        echo -e " \e[31merror\e[0m"
+        echo -e "\e[1m*** Failed with return code: $res\e[0m"
         if test -n "$result"; then
             echo "$result"
         fi
         exit 1
     else
-        echo " success"
+        echo -e " \e[32msuccess\e[0m"
     fi
     run svn add "$1"
     run svn propset svn:keywords "Id" "$1"
@@ -118,12 +118,12 @@ copy() {
 }
 
 doxyreplace() {
-    echo -n "-> doxyfile: configure $1 ..."
+    echo -en "\e[1m-> doxyfile:\e[0m configure $1 ..."
     if sed -i 's|\(^'"$1"' *=\) *|\1'" $2"'|g' doc/doxyfile.in; then
-        echo " success"
+        echo -e " \e[32msuccess\e[0m"
     else
-        echo " error"
-        echo "**** command: sed -i 's|\(^'"$1"' *=\) *|\1'" $2"'|g' doc/doxyfile.in;"
+        echo -e " \e[31merror\e[0m"
+        echo -e "\e[1m**** command: sed -i 's|\(^'"$1"' *=\) *|\1'" $2"'|g' doc/doxyfile.in;\e[0m"
         exit 1
     fi
 }
@@ -133,6 +133,7 @@ copy ${MY_NAME}
 copy ax_init_standard_project.m4
 copy ax_cxx_compile_stdcxx_11.m4
 copy ax_check_qt.m4
+copy AUTHORS
 if ! test -f configure.ac; then
     to configure.ac <<EOF
 ${HEADER}m4_define(x_package_name, ${DEFAULT_PROJECT_NAME}) # project's name
@@ -160,11 +161,21 @@ EOF
 fi
 PACKAGE_NAME=$(sed -n 's/.*m4_define *( *x_package_name *, *\([^ ]*\) *).*/\1/p' configure.ac)
 echo "${HEADER}" | to --condition AX_USE_CXX src/makefile.am
-echo "${HEADER}" | to --condition AX_USE_CPPUNIT test/makefile.am
 echo "${HEADER}" | to --condition AX_USE_DOXYGEN doc/makefile.am
-echo "${HEADER}" | to --condition AX_BUILD_EXAMPLES examples/makefile.am
+to --condition AX_USE_CPPUNIT test/makefile.am <<EOF
+${HEADER}AM_CPPFLAGS = -I${top_srcdir}/src -I${top_builddir}/src
+AM_LDFLAGS = -L${top_builddir}/src/.libs
+LDADD = -l${PACKAGE_NAME}
+EOF
+to --condition AX_BUILD_EXAMPLES examples/makefile.am <<EOF
+${HEADER}AM_CPPFLAGS = -I${top_srcdir}/src -I${top_builddir}/src
+AM_LDFLAGS = -L${top_builddir}/src/.libs
+LDADD = -l${PACKAGE_NAME}
+EOF
 if testtag AX_USE_DOXYGEN && ! test -f doc/doxyfile.in; then
     run doxygen -g doc/doxyfile.in
+    run svn add doc/doxyfile.in
+    run svn propset svn:keywords "Id" doc/doxyfile.in
     doxyreplace PROJECT_NAME "@PACKAGE_NAME@"
     doxyreplace PROJECT_NUMBER "@PACKAGE_VERSION@"
     doxyreplace PROJECT_BRIEF "@DESCRIPTION@"
@@ -237,7 +248,7 @@ $(      if testtag AX_USE_LIBTOOL; then
 Package: @PACKAGE_NAME@-dev
 Section: libdevel
 Architecture: any
-Depends: @PACKAGE_NAME@ (= ${binary:Version})
+Depends: @PACKAGE_NAME@ (= \${binary:Version})
 Description: @DESCRIPTION@ - Development Package
 @README_DEB@
 EOF2
@@ -250,6 +261,7 @@ EOF
     to debian/${PACKAGE_NAME}.install <<EOF
 usr/bin/*
 usr/lib/lib*.so.*
+$(if ! testtag AX_USE_LIBTOOL; then echo "usr/share/doc/${PACKAGE_NAME}/html"; fi)
 EOF
     to debian/${PACKAGE_NAME}.dirs <<EOF
 usr/lib
@@ -261,7 +273,7 @@ usr/lib/lib*.a
 usr/lib/lib*.so
 usr/lib/pkgconfig/*
 usr/lib/*.la
-usr/share/pkgconfig/*
+$(if testtag AX_USE_LIBTOOL; then echo "usr/share/doc/${PACKAGE_NAME}/html"; fi)
 EOF
         to debian/${PACKAGE_NAME}-dev.dirs <<EOF
 usr/lib
@@ -270,7 +282,7 @@ EOF
     fi
     to debian/rules <<EOF
 ${HEADER}%:
-	dh $@
+	dh \$@
 EOF
     echo 7 | to debian/compat
 fi
@@ -284,14 +296,14 @@ fi
 to --condition AX_USE_LIBTOOL src/${PACKAGE_NAME}.pc.in <<EOF
 ${HEADER}prefix=@prefix@
 exec_prefix=@exec_prefix@
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
+libdir=\${exec_prefix}/lib
+includedir=\${prefix}/include
 
 Name: @PACKAGE_NAME@
 Description: @DESCRIPTION@
 Version: @VERSION@
-Libs: -L${libdir} -l@PACKAGE_NAME@ @LDFLAGS@
-Cflags: -I${includedir} @CPPFLAGS@
+Libs: -L\${libdir} -l@PACKAGE_NAME@ @LDFLAGS@
+Cflags: -I\${includedir} @CPPFLAGS@
 EOF
 
 #### Cleanup If Makefile Exists ####
diff --git a/configure.ac b/configure.ac
index b306ca9..9841864 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,9 @@ AX_USE_RPM_PACKAGING
 AX_BUILD_EXAMPLES
 
 # qt features
-AX_CHECK_QT([QTGUI], [QtCore QtGui])
-AX_CHECK_QT([QTWIDGETS], [QtWidgets]) # optional, needed only for qt5
+AX_CHECK_QT([QTGUI], [QtCore QtGui], [QtWidgets])
 AX_CHECK_QT([QTNETWORK], [QtNetwork])
-
-# programs
-#PKG_PROG_PKG_CONFIG
+AM_CPPFLAGS+=" -DQT_NO_KEYWORDS"
 
 # libraries
 AC_ARG_ENABLE(pkcs11-download,