Add a weak pointer on the default_manager instance to clear itself.
Make purple_account_manager_get_default_as_model safe if default_manager is NULL.
Fix the method names for the GListModel implementation.
Mark the type as final.
Testing Done:
Ran the tests and docs.
Reviewed at https://reviews.imfreedom.org/r/2083/
# 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: