Testing Done:
Compiled and was able to send an IM. It's not yet using `G_DECLARE_FINAL_TYPE` because `PurpleConversation` is not using `G_DECLARE_*` so it fails if I try to use it. I didn't clean up too much of the code yet, but I tried to get most of the formatting changes we have.
Reviewed at https://reviews.imfreedom.org/r/60/
# UPDATING VERSION NUMBERS FOR RELEASES
#
# The version number is:
# <major>.<minor>.<micro><extra>
#
# micro += 1
#
# If any functions have been added to libpurple, Pidgin, or Finch:
# micro = 0
# minor += 1
#
# If backwards compatibility has been broken in libpurple, Pidgin, or Finch:
# micro = 0
# minor = 0
# major += 1
# purple_soversion += 1
#
# extra should be similar to one of the following: