#664 add missed checkins
#675 fix add avatars to core identityContact in addContacts()
#676 Use conversation switch instead of thread modification for add/remove participants
#676 set build target to latest
#676 remove annoying log from uni describeException
#665  proper +/- signs
use logged in user id instead of 0 when sending/deleting message
#669 fix crash when receiving push while app isn't running
#669 exclude my own and recipient peerUri from peerURIs in push payload