Updating installation lang files: be-BY, fi-FI, fr-FR, hu-HU, mk-MK,
ru-RU, sk-SK, sr-RS, sr-YU, sv-SE, ta-IN, th-TH
Merge remote-tracking branch 'origin/staging' into staging
[imp] [32982] Skip the debug plugin if debug is off
Fix #2691
Making Jenkins happy
Adding Belarusian lang file to TinyMCE
Updating TT credits