Updated constants.
Join/leave test-case.
Message queue test-case.
Merge branch 'master' of https://github.com/BearWare/TeamTalk5
Fix MOTD update
Android SDK updated with fix for channel join/leave hangup
Merge branch 'master' of https://github.com/BearWare/TeamTalk5
Locked some accessibility events that produce a confusion rather than provide useful info.
Incoming messages notification.
User state indication fixed and enhanced for accessibility.
Avoided updates of pages that are actually out of vision, since such
updates produce undesirable side effects in accessibility feedback.