NEW in 0.21.5.2
==============
 - Update API documentation generator. (xclaesse).
 - Update python binding for new API. (xclaesse).
 - Rename BlockType to EMPATHY_CHAT_VIEW_BLOCK to respect namespace (xclaesse).
 - Change EMPATHY_AVATAR_CHOOSER_TYPE to EMPATHY_TYPE_AVATAR_CHOOSER (xclaesse).
 - Ignore ssl errors for gtalk profile by default otherwise it won't connect. (xclaesse).

Bugs fixed:
 - Fixed #509656, crash in Empathy Instant Messenger: Nothing. I was viewing s... (xclaesse)

Translations:
 - Updated ja Translation (Takeshi AIHANA).
 - Updated sv Translation (Daniel Nylander).