initial smp support
added snackbar to indicate smp. more error handling in verify activity
small bug fix
initial smp support
added snackbar to indicate smp. more error handling in verify activity
small bug fix
use auto register for verify otr listeners
Merge branch 'feature/otr_verification' of https://github.com/siacs/Conversations into feature/otr_verification

Conflicts:
	src/main/java/eu/siacs/conversations/ui/VerifyOTRActivity.java
check if account is online before doing smp
basic arbitrary file transfer
bug fixes and various improvements for file transfer
copy non local files to private storage first
progress for http images as well. fixed open button for sent files
support for pgp files
some mime and pgp fixes for file transfer
progress for ibb transfers
adepted conversationadapter to deal with files
made file transfers cancelable
fixed resending for files as well
fixed description in notifications and conversation overview