Small fixes:

- Request model migration.
- Templatetag change.
- Fix javascript for request to work the same as resource.
- Added THUBMNAIL_DEBUG = True in the dev.py file.
Added a couple of migrations to the suggestion model.

ForeigKey fields were added to urltype and updatefrequancy.
Improve the usability of suggestion form by adding
django-selectable to it.
Merge pull request #46 from openrural/style_updates

Style updates
Fixed homepage images.
Fixes #47 Makes url image field not required in the admin interface.
Fixes #48 Added scribble tags for making content editable.
Added scribbler to share data page.
css files were not being included if debug = True in staging or
production
Removed remote css file from compress block.
minor work on request page
fixes for merge
minor style updates