Merge pull request #168 from dodgepong/latest-crowdin-translations

Latest translations from CrowdIn
Remove duplicate text entry
Add MAKE_SEMANTIC_VERSION macro
Add basic update checking
Don't use separate update files per OS

Instead, just use separate version and download entries.
Set User-Agent value of update check to OBS ver.
Parse obs-config.h version string to just the hash
Corrected a math mistake in obs_source.c calc_volume_levels.
Implemented a simple volume meter widget
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
Merge pull request #172 from dodgepong/latest-crowdin-translations

Latest translations from CrowdIn
Fix audio meters so that volume is applied linearly.
Merge pull request #169 from hwdro/master

Simple volume meter widget
Change mac package name to just 'OBS'
Update libdshowcapture to the latest version
Small coding style fixes
Add system information for linux

This adds support for printing system information on linux.
Fix cmake app package issue

Currently the Info.plist file names the app package as OBS.app and cmake
is trying to use 'OBS Studio.app'.  I renamed it to OBS for the time
being just because we don't currently have actual studio interface yet.
Rename cpack description summary (also fix typo)