Doc: Add docs for SCXML Editor

Change-Id: I563a2a06b101e3954c3365baba4a596ef29517ab
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

doc/config/qtcreator-project.qdocconf

@@ -18,6 +18,7 @@ imagedirs = $SRCDIR/images \
             $SRCDIR/../src/plugins/projectexplorer/images \
             $SRCDIR/../src/plugins/qmldesigner/components/formeditor \
             $SRCDIR/../src/plugins/qmldesigner/components/navigator \
+            $SRCDIR/../src/plugins/scxmleditor/common/images \
             $SRCDIR/../src/plugins/texteditor/images
 
 outputdir = $OUTDIR

doc/src/editors/creator-coding.qdoc

@@ -92,6 +92,15 @@
             Modeling Language (UML) style models with structured diagrams and
             store them in XML format.
 
+       \li \l{Editing State Charts}
+
+            You can use \QC to create applications that embed state machines. A
+            project wizard creates \l{https://www.w3.org/TR/scxml/}
+            {State Chart XML (SCXML)} files with boilerplate code that you can
+            edit using an experimental SCXML editor. You can use the classes in
+            the Qt SCXML module to embed state machines created from the files
+            in Qt applications.
+
     \endlist
 
 */

doc/src/editors/creator-modeling.qdoc

@@ -33,7 +33,7 @@
     \contentspage {Qt Creator Manual}
     \previouspage creator-mime-types.html
     \page creator-modeling.html
-    \nextpage creator-building-running.html
+    \nextpage creator-scxml.html
 
     \title Modeling
 

doc/src/projects/creator-projects-building-running.qdoc

@@ -31,7 +31,7 @@
 
 /*!
     \contentspage {Qt Creator Manual}
-    \previouspage creator-modeling.html
+    \previouspage creator-scxml.html
     \page creator-building-running.html
     \nextpage creator-building-targets.html
 

doc/src/qtcreator.qdoc

@@ -84,6 +84,7 @@
                     \li \l{Refactoring}
                     \li \l{Configuring the Editor}
                     \li \l{Modeling}
+                    \li \l{Editing State Charts}
                 \endlist
         \row
             \li \inlineimage creator_buildingrunning.png
@@ -227,6 +228,8 @@
             \endlist
             \li \l{Editing MIME Types}
             \li \l{Modeling}
+            \li \l{Editing State Charts}
+
         \endlist
         \li \l{Building and Running}
         \list