pidgin/pidgin

Merge PidginBuddyListMenu with PidginContactList which fixes all of the accelerators as well.

Testing Done:
Compiled and ran locally. Verified that the `g_warnings` at startup are now gone and that the keyboard accelerators now work again.

Reviewed at https://reviews.imfreedom.org/r/430/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False