Merge remote branch 'origin/hydro/imps_2015'

diff --cc src/OCCViewer/OCCViewer_ViewWindow.cxx
index d8c9de76b9038ed1903af7e307cb775b3c36bb33,6dfe7d49d40703dc95f62e994efac12a280c407f..8ad6be95c8e4e742427b3ab5a6523c3c6fc3dca8
--- 1/src/OCCViewer/OCCViewer_ViewWindow.cxx
--- 2/src/OCCViewer/OCCViewer_ViewWindow.cxx
+++ b/src/OCCViewer/OCCViewer_ViewWindow.cxx
@@@ -1179,8 -1146,10 +1179,10 @@@ void OCCViewer_ViewWindow::createAction
  {
    if( !toolMgr()->isEmpty() )
      return;
 -  
 +
    SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
+   if( !aResMgr )
+     return;
  
    QtxAction* aAction;