pidgin/pidgin

Merged in fbellet/pidgin/port-changes-from-branch-2.x.y-to-default (pull request #632)

Port changes from branch 2.x.y to default

Approved-by: Eion Robb
Approved-by: John Bailey
Approved-by: Gary Kramlich
subdir('bonjour')
subdir('facebook')
subdir('gg')
subdir('irc')
subdir('jabber')
subdir('novell')
subdir('null')
subdir('sametime')
subdir('silc')
subdir('simple')
subdir('zephyr')