Set User-Agent value of update check to OBS ver.
Parse obs-config.h version string to just the hash
Use OBS_CONFIG as the actual version string

I didn't understand how tags worked so I was trying to filter it out
when I should really be using it for the actual version string.
Use OBS_CONFIG as version string for the FLV mux
Latest translations from CrowdIn
Merge pull request #172 from dodgepong/latest-crowdin-translations

Latest translations from CrowdIn
Merge pull request #169 from hwdro/master

Simple volume meter widget