[Win32-Installer] Force .NET 4.0/4.5 on Windows even if built with 2.0/3.5
[Build] Bumped version to 0.8.12
[Build] Updated bug tracker URL to smuxi.im
[(Engine|Frontend-GNOME)-IRC] Support non-RFC channel privileges (closes #161).

Add support for non-RFC channel privilege modes such as owner, channel admin
and halfop to the IRC engine and the GNOME frontend.
Merge pull request #51 from RavuAlHemio/nonirc_channel_privs
[Engine-IRC] Implemented passive channel sync (closes: #787)

Joining channels is now much faster and we no longer need to send WHO
requests for every joined user in a channel.
[Engine-IRC] Take optional target parameter for /mode command (closes: #572)
[Engine-IRC] Fixed /mode +i (on server) regression
[Engine-IRC] Fixed /mode not always printing the full mode list
[Engine-IRC] Fixed /mode printing for unjoined channels