emesene 2.12.3

Hello there emesene fans!

This is a lightning-fast release because we're in a hurry, so here's what you need to know:

Brief changelog (you can see a complete one with `git log v2.12.3 v2.12.1`) :
- better plugin handling and fixes
- typing notifications fixed
- bugfixes to the msn backend
- bugfixes/improvements to the facebook backend
- bugfixes/improvements to adium output
- middle click closes tabs (gtk)
- prevent hanging/crashes with newer versions of openssl
- improved single-instance code
- code-style improvements
- updated translations

Source code download (for packagers or other brave people out there):
[ tarball | zipball ]

Platform specific packages will follow as soon as the people working on them have some time to upgrade, sort things out and prepare them.
Make sure to check the downloads page once a while so you can stay up-to-date.

Have fun,
Riccardo (c10ud)