We rejoin after registration to make sure that the user is identified and has
all their user modes set and whatever. We don't actually have a way to do this
right now, but plugins can tie into the signal for that.
Testing Done:
Joined some channels on my local ergo, disconnected the account in the account manager, re-enabled it, and verified via another client that I rejoined those channels.
Reviewed at https://reviews.imfreedom.org/r/2829/
# 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: