Log Message:
Update kdesdk to 3.1.3.

Changes:
* cervisia: Immediately save changed settings in the settings dialog
* cervisia: Fixed the size of the diff overview widget
* cervisia: Fixed crash when hidden files changed
* cervisia: Re-added the "clear" command to the context menu of the \ 
protocol view
* kbabel: Fix TP robot interaction
* kbabel: Allow upgrade translation database from Berkeley Database II to Berkeley
  Database IV
* kbabel: DocBook entities can contain dots
* kapptemplate: Fix UIC detection for KDE 2.x projects.
* kapptemplate: tail -n / head -n POSIX compliance fix.