Enlarge thumbnails and handle EXIF orientation (close #106)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Show positive button on wrong password dialog

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Fix key pair export

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Exclude Kontalk legacy RawContacts when syncing users

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Merge branch 'master' into audio_message