Merge branch 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into master-integration

* 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
  Use a shared QScriptEngine for debugger console command scripts
  Fix QtScript debugger hang/crash issue with updating locals model
  doc:	Fixed some qdoc warnings.
  Always activate popup windows on show
  doc:	Fixed some qdoc warnings.
  Add the QMAKE_FILE_EXT variable to extra compilers generation.
  Cocoa: Tool Windows steal focus from the main window
  qdoc3: Removed a debug output.
  Update QTestLib documentation with chart use case.