Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging into master-integr...

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

* 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging:
  Update changes-4.8.0 file
  Only limit cursor position when line is wrapped
  Make sure cursor position doesn't exceed line end
  Allow shared EGL contexts for xcb and xlib platforms
  Allow generic EGL platform contexts to be shared
  4.8 Changes: OpenGL Framebuffer Format
  stop tslib plugin having same file name as linux input plugin
  Avoid unnecessary detach of a QImage in QPixmapDropShadowFilter