Merge remote-tracking branch 'origin/4.6'

Conflicts:
	src/plugins/coreplugin/helpmanager.cpp

Change-Id: I2feb60ec0afb2f22f75dc137a01c3fa217b299d8

src/plugins/texteditor/texteditor.h

@@ -381,6 +381,8 @@ public:
     void gotoBlockStartWithSelection();
     void gotoBlockEndWithSelection();
 
+    void gotoDocumentStart();
+    void gotoDocumentEnd();
     void gotoLineStart();
     void gotoLineStartWithSelection();
     void gotoLineEnd();