Removed embedly filter
This has been deprecated since <0.1 so I think its time for it to go now
Changed explorer menu to be loaded only on request, to prevent bloating of html
put back missing import
pep8 fix
Replaced lxml with html5lib
Fixed test which broke under html5lib

The test used HTML which wasn't valid HTML5. html5lib corrects these errors whereas lxml didn't so the result of the test is different.
Allow RouteResult to return a view
Added RoutablePage
Fixed broken test

Caused by adding view into RouteResult
Started RoutablePage docs
Added page_unpublished signal
Fire page_unpublished signal on page unpublish and delete
Use page_unpublished signal in frontend cache invalidator
Make sure page_unpublished.instance is always the most specific version of the page
Added tests for page_unpublished signal
Improvements to subpage_urls docs
Retitled routable_page doc, added to index
Fix rogue smart quotes and run explicitly under bash.
Merge branch 'master' of github.com:torchbox/wagtail
Convert go_live_at / expire_at timestamps to the server's own timezone when submitting, so that tests don't need TIME_ZONE='UTC'