Merge remote-tracking branch 'origin/4.5'

Conflicts:
	src/plugins/debugger/debuggerruncontrol.cpp
	src/plugins/projectexplorer/gcctoolchain.cpp

Change-Id: Iaad0659293681cce4266fc3e4ba2a4f2068de911

src/plugins/qmljseditor/qmljssemantichighlighter.h

@@ -31,7 +31,6 @@
 #include <QVector>
 
 namespace QmlJS {
-class ScopeChain;
 namespace AST { class SourceLocation; }
 }