Merge pull request #129 from ollieh/master

Moved deleting to ToxService and restructured it a little, should fix the crash bug
Merge pull request #130 from ollieh/master

Updated deleting friend logic to avoid database mismatches
German Translations

Fix some german translations and add missing ones
Merge pull request #134 from sonOfRa/translate-de

German Translations
make sure the bootstrapping is done
alert the user if no internet connectivity
delete corresponding chat of a deleted friend
Stop app crashing when selecting friend before START_TOX
Merge pull request #136 from strider29/master

Bootstrap check and delete log chats

Make sure the connection to a bootstrap is done after the nodes have been downloaded. Also delete the chat logs when deleting a friend.
Should fix QR image mismatching your actual key
Add exclamation mark on new message
Add exclamation mark on new message
Change actionbar color to something more soft
Merge pull request #139 from Proplex/master

Change actionbar color to something more soft
Moved QR code and tox file to internal storage
Fixed merge conflict