CVS commit by cullmann: 

better mainwindow() usage, still to fix: some minor activateView problems with multiple tabs if you close a document active in a inactive tab


  M +2 -2      kateviewmanager.cpp   1.168
  M +16 -18    kateviewspacecontainer.cpp   1.159
  M +5 -7      kateviewspacecontainer.h   1.60