Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qtbase-staging

* 'master' of git://scm.dev.nokia.troll.no/qt/qtbase-staging: (142 commits)
  ifdef out mac/no_coreservices path more cleanly
  fix build on symbian
  Allow different text for undo actions and items in QUndoView
  Allow using not only prefixes for undo command text
  QFileSystemEngine::currentPath(): use QFileSystemEntry() also for the no-PATH_MAX case
  Massively update the hurd-g++ mkspec.
  Do not allow multiple threads to acquire a QMutex
  Ensure that QDateTimeEdit::calendarWidget() will always return a valid widget.
  don't crash in QProcessEnvironment::systemEnvironment()
  HTTP backend: do not load resources from cache that must be revalidated
  Compile fix for QLocale on Symbian.
  Added Kazakh language to the QLocale mapping table on Symbian.
  Added support for QLocale::uiLanguages on Symbian.
  Fix drawing text in item view:
  Add enablers for Symbian App Booster
  Don't rely on uninitialized data
  Don't realloc user-provided buffer
  qmake: Introduce new template type
  Make autotest more resilient against network timeout (cherry picked from commit 50be38737507f5c23b4d050e635a200024164a13)
  Do not filter adhoc clients (cherry picked from commit 4fe5307af44a76b99cc8c70aa330180c1985eabc)
  ...