AIM and ICQ

• Fix a crash bug related to X-Status messages that can be triggered by remove users. This is CVE-2010-2528.
• Fix a rare crash bug caused by certain incoming SMS messages (discovered by Jan Kaluza--thanks Jan!).
• Change HTML sent from ICQ accounts so that official ICQ clients hopefully display it correctly.

MSN

• Fix a crash related to fast buddy icon transfers.

* General:
o Fix the exceptions in purple-remote on Python 2.6+. (Ari Pollak) (#12151)

* Pidgin:
o When a conversation has reached the maximum limit on the number of smileys, display the text representation of the smiley properly when it contains HTML-escapable characters (e.g. "<3" was previously displayed as "&lt;3").
o Drop dependency on GdkGC and use Cairo instead.
o New UI hack to assist in first-time setup of Facebook accounts with icon from Jakub Szypulka.
o Don't hide the buddy list if there is no notification area in which to put the icon. (#12129)

* libpurple:
o Fix multipart parsing when '=' is included in the boundary for purple_mime_document_parse. (Jakub Adam) (#11598)

* AIM and ICQ:
o Buddies who unset their status message will now be correctly shown without a message in your buddy list. (#12988)

* Gadu-Gadu:
o Updated our bundled libgadu and minimum requirement for external libgadu to 1.9.0. (#12789)

* MSN:
o Stop showing ourselves in the list of endpoints that can be disconnected.
o Allow full-size display names, by not escaping (most) non-English characters. (#8508)
o Fix receiving messages from users on Yahoo and other federated services. (#13022)
o Correctly remove old endpoints from the list when they sign out.
o Add option to disable connections from multiple locations. (#13017)
o Correctly update your own display name in the buddy list. (#13064)
o Correctly show ourselves as offline in the buddy list when going invisible. (#12945)
o Correctly update your own icon in the buddy list. (#12973)
o Remove struct packing for better portability. (#12856)

* XMPP:
o Terminate Jingle sessions with unsupported content types. (#13048)