mptt copy plugins problem
some changes to the plugin ordering code
finally found the mptt fucker in copy plugins
fixes #2613
fixed reversion tests
Merge branch 'develop' into fix-2583
reverted some of the new ordering logic
Merge pull request #2617 from digi604/fix-2613

fixes #2613 (plugin edit marks page as dirty again)
Merge pull request #2595 from digi604/fix-2583

Fix 2583
bumps version to 3.0b4.dev5
Added a check when trying to set application urls and namespace in post_save_page signal.
quickfix for failing redirects with DEBUG=True

This is only a temporary quickfix for a situation where with DEBUG=True all redirects would cause an Exception, because the self.page attribute did not exist.
The real fix would be to find out why this stuff is even being called on redirects.
bumps version to 3.0b4.dev6
Merge pull request #2619 from patrick91/fix_initial_data

Fix DoesNotExist when loading initial_data