Doc: add a "commercial" icon to commercial-only topics

For purely commercial apps, this is done by using the
template, but Qt Creator is mostly open source, so an
image is used.

Use a \commercial macro with a tooltip and link to the
image.

Change-Id: I5e3df953821551331afef2ec642b482b52ff909e
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>

doc/config/macros.qdocconf

@@ -34,6 +34,7 @@ macro.begincomment      = "\\c{/*}"
 macro.endcomment        = "\\c{*/}"
 macro.uuml.HTML         = "ü"
 macro.mdash.HTML        = "—"
+macro.commercial        = "\\raw HTML\n<p><a title=\"Available under certain Qt licenses.\"><img src=\"images/commercial.png\"/></a></p>\n\\endraw"
 
 macro.beginfloatleft.HTML   = "<div style=\"float: left; margin-right: 2em\">"
 macro.beginfloatright.HTML  = "<div style=\"float: right; margin-left: 2em\">"

doc/config/qtcreator-project.qdocconf

@@ -8,6 +8,10 @@ imagedirs = $SRCDIR/images $SRCDIR/templates/images
 outputdir = $OUTDIR
 exampledirs = $SRCDIR/examples
 
+HTML.extraimages         = images/commercial.png
+qhp.QtCreator.extraFiles = images/commercial.png
+
+
 indexes +=    $QDOC_INDEX_DIR/qtwidgets/qtwidgets.index \
               $QDOC_INDEX_DIR/qtcore/qtcore.index \
               $QDOC_INDEX_DIR/qtqml/qtqml.index \

doc/src/analyze/cpu-usage-analyzer.qdoc

@@ -30,6 +30,8 @@
 
     \title Analyzing CPU Usage
 
+    \commercial
+
     \QC is integrated with the Linux Perf tool (commercial only) that can be
     used to analyze the CPU usage of an application on embedded devices and, to
     a limited extent, on Linux desktop platforms. The CPU Usage Analyzer uses

doc/src/analyze/creator-clang-static-analyzer.qdoc

@@ -31,6 +31,8 @@
 
     \title Using Clang Static Analyzer
 
+    \commercial
+
     \QC integrates the \l{http://clang-analyzer.llvm.org}
     {Clang Static Analyzer} for finding problems in C, C++, and Objective-C
     programs (commercial only).

doc/src/howto/creator-autotest.qdoc

@@ -35,6 +35,8 @@
 
     \title Running Autotests
 
+    \commercial
+
     \QC integrates the \l{Qt Test} framework for unit testing Qt based
     applications and libraries (commercial only). You can use \QC to build and
     run autotests for your projects.

doc/src/overview/creator-commercial-overview.qdoc

@@ -28,6 +28,8 @@
 
     \title Qt Creator Commercial Features
 
+    \commercial
+
     You can use the following \QC features if you have the appropriate
     \l{http://qt.io/licensing/}{Qt license}:
 

doc/src/qtquick/qtquick-connection-editor.qdoc

@@ -35,6 +35,8 @@
 
     \title Adding Connections
 
+    \commercial
+
     You can use the \uicontrol {Connections} view (commercial only) to:
 
     \list

doc/src/qtquick/qtquick-designer-extensions.qdoc

@@ -35,6 +35,8 @@
 
     \title Using Qt Quick Designer Extensions
 
+    \commercial
+
     \image qmldesigner-extensions.png
 
     \QMLD contains commercial features that make developing Qt Quick

doc/src/qtquick/qtquick-pathview-editor.qdoc

@@ -35,6 +35,8 @@
 
     \title Editing PathView Properties
 
+    \commercial
+
     A \l{PathView} lays out data provided by data models on a \l{Path}.
 
     A graphical spline editor enables you to specify PathView paths, which