Updated German translation

Change-Id: I2f29c83223379c890f8445808bfd671afba78e70

Update German translation missing t in Checkout fixing Checkou

Change-Id: Ic808d8756f66f1a612952dc7a0484fcdf92c4416
Removed duplicate Michael Benz (Copro) aka myelf from AboutBox

Change-Id: If28eea32dac0dd7a5f60fbb089b0be6579877563
Display new version and leave LinkLabel pointing to update URL

Change-Id: I3ac3945bfaed0b15f7f4b1f26655e48eb437ddf3
Merge pull request #2230 from Copro/master

Updated German translation and display new version information only instead of full URL