Fix a few things related to the translations
Update the german translation
Du/Sie consistency
Update mmc_de.ts

Fixed grammar, improved wording.
It's not perfect but definitely better.
Add xnrand to the translation credits
Clean up/update translation code and made language selectable in the settings dialog
Hopefully fix Qt 5.1 compilation
Show Mojang service statuses in status bar
Remove wrong comments
More comments removal
More space between status items
Replace old launcher part with a shiny new one. No more garbage on the command line.
Merge branch 'feature_better_launch' into develop
Merge branch 'feature_mojang_status' into develop
Merge branch 'feature_localization' of https://github.com/02JanDal/MultiMC5 into develop

Conflicts:
	gui/dialogs/SettingsDialog.cpp
	gui/dialogs/SettingsDialog.ui
Fix window title problem on OSX.
Merge branch 'feature_better_launch' into develop
Small fix for stale files getting stuck in the cache
Do not use the java checker during instance update
Fix FTB.

Add support of private packs.
Fix instance ID problems related to FTB instances.