Removed embedly filter
This has been deprecated since <0.1 so I think its time for it to go now
Convert go_live_at / expire_at timestamps to the server's own timezone when submitting, so that tests don't need TIME_ZONE='UTC'
Merge pull request #478 from gasman/fix/test-timezones

Fix scheduled publishing unit tests to not require TIME_ZONE='UTC'
Merge branch 'remove-embedly-filter' of https://github.com/kaedroho/wagtail into kaedroho-remove-embedly-filter

Conflicts:
	wagtail/wagtailembeds/tests.py
Merge branch 'kaedroho-remove-embedly-filter'
Merge remote-tracking branch 'upstream/master'