[Dchub-announce] release of version 0.4.3

[eric]

* fix a lock problem on *banip commands.

* add missing bot privilege. Bots were not able to use Op commands and were 
kicked because they use unusual search queries.

* fix the MOTD loading problem.

* Internationalization of perl scripts.

* --enable-glib2 configure flag removed. version 2 is now the default glib 
version.

* --disable-glib2 configure flag added. Use glib1.2 instead of glib2.

* fix a bug preventing some multi-chat hub commands to work.

* fix a bug crashing the hub if someone tries to enter a password protected 
multi-chat without providing a password.