Pidgin 2.9.0

* Pidgin
- Fix a potential remote denial-of-service bug related to displaying buddy icons.
- Significantly improved performance of larger IRC channels (regression introduced in 2.8.0).
- Fix Conversation->Add on AIM and MSN.
- Entries in the chat user list are sorted properly again. This was inadvertenly broken in 2.8.0.
* Finch
- Fix logging in to ICQ.
* libpurple
- media: Actually use the specified TCP port from the TURN configuration to create a TCP relay candidate.
* AIM and ICQ
- Fix crashes on some non-mainstream OSes when attempting to printf("%s", NULL).
* Plugins
- The Evolution Integration plugin compiles again.