Initial german translation commit.
Essentially I just copied the english translation and added the entry to src/cmplayer.pro
Added German translation to cmplayer.pro file and translated a little bit.
Merge https://github.com/xylosper/cmplayer into german_translation
Added more German translations.
Added German translation to prefdialog
Finished initial German translation
Merge pull request #12 from breed808/german_translation

Initial German translation