Added more possible java paths on OSX.
Fix FTB paths on Windows XP
fixed the destination (href) of the link http://github.com/MultiMC/MultiMC5 in AboutDialog.ui (+German translation)
Merge https://github.com/max96at/MultiMC5 into develop
Merge https://github.com/robotbrain/MultiMC5 into develop
Merge https://github.com/p-schneider/MultiMC5 into develop