Fixed crash when an invalid width is send by oembed provider
Have wagtaildocs, wagtailembeds, wagtailimages and wagtailsnippets register their page editor JS components through the insert_editor_js hook, rather than hard-coding them into _editor_js.html
Move chooserUrls definitions into their respective apps
Add mechanism for apps to register their own hallo.js plugins
Embeds: Catch TypeErrors when casting width and height to integers
Merge branch 'master' of github.com:torchbox/wagtail into docs
Snippets and some reorg