Made ConversationActivity singleTask
Refactored into onNavigateUp
Made the navigateUp override behave like a navigate up
Removed TASK_ON_HOME flag from intent created from share
Merge pull request #167 from alethea/up-navigation

Up navigation
OpenPGP key display in muc details is now prettier and linked to openkeychain
show dialog when no contact in a muc has pgp support
Fix tile rendering for larger conferences
Merge pull request #168 from strb/mucicons

Fix tile rendering for larger conferences