Frontend-GNOME-Twitter: added Trace.Call() to ctor
Frontend-GNOME-Twitter: added "Direct Message" to context menu
Frontend-GNOME-Twitter: added "Follow" to context menu
Engine-Twitter: handle following the same person again in /follow command
Frontend-GNOME-Twitter: added "Timeline" to context menu
Engine-Twitter: prefix timeline chats with @

This is needed so timeline chats can be distinguished from direct message chats.
Frontend-GNOME: disabled useless TreeStore.GetPath() call
Frontend-GNOME: apply user configured theme settings to chat tree

If someone doesn't like this I am sure they will scream and let me know.
smuxi-channel-stats: #smuxi-devel moved to freenode
Engine-XMPP: Implemented FindGroupChats for chat rooms on own server (closes: #790)

this is the first step in fixing bug #891
hipchat still won't work out of the box
[Engine-Twitter] Implemented /retweet command (closes: #480)
Engine(-Twitter): Refactored newline normalization into MessageBuilder
Engine-Twitter: implemented /reply command (closes: #384)
Engine-Twitter: added index support for /reply and /retweet commands
Travis-CI: build Debian packages
Debian: removed obsolete build_jabber-net_with_default_compiler patch
Debian: refreshed quilt patches
Travis-CI: install gtk-sharp2-gapi and libgtkspell-dev as needed as build-dep
Travis-CI: rename and extract tarball and move to the right location for dpkg-buildpackage
Debian: use ./autogen.sh only if available