Extend camel-case cursor movement

We now have different actions to bind to (saves us an explicit option).
Small fixes to state machines.

Done-with: Erik Verbruggen

src/plugins/texteditor/texteditoractionhandler.h

@@ -136,6 +136,10 @@ private slots:
     void gotoPreviousWordWithSelection();
     void gotoNextWord();
     void gotoNextWordWithSelection();
+    void gotoPreviousWordCamelCase();
+    void gotoPreviousWordCamelCaseWithSelection();
+    void gotoNextWordCamelCase();
+    void gotoNextWordCamelCaseWithSelection();
 
 
 private: