Updates/Restarts now use the same process instead of spawning a new one so the PID remains the same.
Fixed issue for restarts/updates on windows.
Shows now perform a dirty check to confirm if any records have been altered before trying to save to the DB, improves overall performance and speed of sickrage.

Browser does not get launched on restarts as a restarted check is performed now.
Merge remote-tracking branch 'origin/dev'
Fixed regex patterns for both show and release names.
Fixed post-processing loop issue.
Fixed minor regex mistake in code.
Fixed post-processing loop issue.
Fix for release results x264 issue
Merge remote-tracking branch 'origin/dev'
Fixed compiled regex pattern ordering, fixes issues that where causing H.264 to be matched as S2E64
Merge remote-tracking branch 'origin/dev'
Fixed backup/restore issues, uses correct data directory variable now.
Fixed issue with backup/resotre config file variable
Added error logging for backup zip creation.
Added zip extraction exception logging.
Merge remote-tracking branch 'origin/dev'
Possible fix for EpisodeNotFoundByAbsoluteNumberException errors
Fixed ImportError: cannot import name OrderedDict
Merge remote-tracking branch 'origin/dev'
Updated regex for show series name matching, faster matching.
Fix show name matching, trys main show name pattern then if no show object is retrieved it attempts using the alternative pattern.