Clean headers in lib qmljs and plugins qmljstools, qmljseditor.

Change-Id: I3256db8f4d42b6326d986d754b45e6c6c2030839
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/qmljstools/qmljssemanticinfo.h

@@ -33,12 +33,18 @@
 
 #include "qmljstools_global.h"
 
-#include <qmljs/parser/qmljsast_p.h>
-#include <qmljs/qmljsscopechain.h>
+#include <qmljs/qmljsdocument.h>
+#include <qmljs/qmljscontext.h>
 #include <qmljs/qmljsstaticanalysismessage.h>
+#include <qmljs/parser/qmljsengine_p.h>
 
 #include <QTextCursor>
 
+namespace QmlJS {
+class ScopeChain;
+namespace AST { class Node; }
+}
+
 namespace QmlJSTools {
 
 class QMLJSTOOLS_EXPORT Range