Log Message:
Update to 1.5.2:

2011-7-24 meld 1.5.2
=====================

  New features:

    * Add a new menu item and shortcut for switching between panes in
      file comparisons (Kai Willadsen)
    * Support type-ahead search in version control views (Oliver Gerlich)

  Fixes:

    * Non-editable files are now handled properly when doing sensitivity
      setting of change actions, and actions on the central change bar are
      presented accordingly (Piotr Piastucki, Kai Willadsen)
    * Fix incorrect comparison display in files containing FF or NEL linebreak
      literals (Kai Willadsen)
    * Updates to the Fossil version control support (Jan Danielsson)
    * Use faster validity check for Bazaar repositories (Kai Willadsen)
    * Many minor updates and other fixes (Tomasz Bury, Alan Horkan,
      Julian Taylor, Kai Willadsen)

  Translation updates