Log Message:
Update koffice to version 1.5.1

Major Improvements in this release are:
* Improved OASIS OpenDocument Support, especially in KSpread
* Rotating large images and scaling of images now works correctly in Krita
* Various other bugfixes

Known issues:
* Two issues with Kexi forms. Forms may not appear in Kexi (1.0.0 version
  was affected as well). No existing data or design can be lost, though.
  SUSE and Debian packages are not affected. Please read the details.
* Krita crashes when saving an image containing exif information to .kra
  twice