Removed lots of extraneous print statements or converted them to logging calls. Removed `add_available_sites` call from `AdminApp` which was never used and only prints out arguments
Removed lots of extraneous print statements or converted them to logging calls. Removed `add_available_sites` call from `AdminApp` which was never used and only prints out arguments

(cherry picked from commit ea03ebc8d75c62edadf23fc2241491a7926eb55e)

git-svn-id: 1d840a3b9de75aedc936277cea44c75870a5fe65@13508 25043fe6-1616-0410-a82d-ba8f324cfe61

matthewhampton/python-datetime-tz,davidfraser/python-datetime-tz,mithro/python-datetime-tz,j5int/python-datetime-tz,davidfraser/python-datetime-tz,dave42/python-datetime-tz,j5int/python-datetime-tz,mithro/python-datetime-tz