QmlJS highlighting: Use semantics for types and binding names.

This fixes some problems with highlighting like anchors {}, allows us
to only highlight correct types and to make the binding name formatting
customizable.

Change-Id: I7ab0c0ed384108b74a2998796d868d5ced4a5310
Reviewed-on: http://codereview.qt-project.org/4669
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/plugins/texteditor/texteditorconstants.h

@@ -138,6 +138,7 @@ const char * const C_JS_SCOPE_VAR        = "JsScopeVar";
 const char * const C_JS_IMPORT_VAR       = "JsImportVar";
 const char * const C_JS_GLOBAL_VAR       = "JsGlobalVar";
 const char * const C_QML_STATE_NAME      = "QmlStateName";
+const char * const C_BINDING             = "Binding";
 
 
 const char * const C_DISABLED_CODE       = "DisabledCode";