qmljs: move defaultProjectInfoForProject to the qmljs library

This removes qmakeprojectmanager and qmlprojectmanager dependency on
qmljstools.
Qmlprojectmanager still imports qmltoolsconstants.h for a constant
but that gives no runtime dependency.

Change-Id: Ifd2e76500a3b27a21937603925f03a70049900e1
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/libs/qmljs/qmljsmodelmanagerinterface.h

@@ -198,6 +198,8 @@ public:
                                   bool autoComplete = true) const;
     void setDefaultVContext(const ViewerContext &vContext);
     virtual ProjectInfo defaultProjectInfo() const;
+    virtual ProjectInfo defaultProjectInfoForProject(ProjectExplorer::Project *project) const;
+
 
     // Blocks until all parsing threads are done. Used for testing.
     void joinAllThreads();