Version 0.2.0a

- Update imagekit to 3.0.x, freeplay models accordingly
- Add bower.json for external js libs
- Add ability to delete item
- Special character (unicode) replacement in HTML field types
- Settings for external js paths
Re-save items when template changes, improve get_bit templatetag
Use smart_text to avoid unicode errors, update js assets, etc

* Bower reqs update
* Improve docs for urls and settings
* Make item_slug optional for get_bit templatetag