only call logout if logged in
move unauthorized to string.xml
check for empty string when adding emoji spans
don't resend file if message data scheme is not file #268
add CREATOR to ImageCaptureHandler #269
fingerprint verification functionality
public key fingerprint check
public key fingerprints
add message to list if received via gcm
ignore messages added via gcm when loading new messages from server
Merge branch 'gcmmessage'