CMAccount: Initial German translation

Change-Id: If747fb29c0f6c195be9a4e3360c1c82ea1f3d3c6
Merge "CMAccount: Initial German translation" into cm-10.2
Generate ECDH keys, store and upload them

Change-Id: I518b4179d566f2f917423bae0d76858ee7abab82
Use ECDH instead of RSA key exchange

Change-Id: I5a7b2e76ed0e4b270e20e28bb98646a8689d4e2c