ActionManager API cleanup.

d-pointer instead of inheritance
static methods

Change-Id: I7b2f0c8b05ad3951e1ff26a7d4e08e195d2dd258
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/mercurial/mercurialplugin.h

@@ -145,7 +145,6 @@ private:
 
     Core::ICore *core;
     Locator::CommandLocator *m_commandLocator;
-    Core::ActionManager *actionManager;
     Core::ActionContainer *mercurialContainer;
 
     QList<QAction *> m_repositoryActionList;