[TASK] Bump the version number to 0.5.77.

Change-Id: I189139f1d5cfb9e712317ccb83a7adb7c103b8c6
Reviewed-on: http://review.typo3.org/34899
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>