added logging message for commit history

sickbeard/versionChecker.py

@@ -399,6 +399,7 @@ class GitUpdateManager(UpdateManager):
             logger.log(u"Didn't find indication of success in output, assuming git pull succeeded", logger.DEBUG)
             logger.log(u"Output: "+str(output))
             return True
+        logger.log(u"Writing commit History", logger.DEBUG)
         log=self._run_git('log --pretty="%h - %s" --no-merges -100')
         fp = open (os.path.join(sickbeard.DATA_DIR, "hist.log"), 'wb')
         fp.write (log)