jsonfield fix
django 1.7 update, part 1
clean out South migrations
fix default to appease 1.7 migrations
results of django's makemigrations
add back middleware removed in 1.7 defaults
disable faster test running, since it's causing problems in 1.7

Note to self: revisit that later.
fix some warnings and errors from 1.7 update
disable advisornote API tests (since it has been disabled)
fixes for django-bitfield, and test it
silence prints in tests
Merge branch 'master' into django17
fix elasticsearch dep for newer haystack