v4: Fix AttributeError if ModelForm._meta.widgets undefined
v4: Move views.py into module for refactoring
It's not THAT funny...
v4: view reorg in prep for standalone mode feature
v4: Move cropduster.thumbs introspection fields to models.py
v4 (cropduster.resizing): Move imports, to prevent error on install
v4 (cropduster.related): Fix south migration issues
v4: Remove `thumb_name`, no longer used
v4 (cropduster.utils): Simplify path utility functions
v4: Tweaks to shorten cropduster.resizing.Size json

Since it's passed in a GET parameter, we don't want it to exceed
REQUEST_URI server limits too easily.
v4: PIL => Pillow
v4: Make preview size configurable, clean up UploadForm
v4: Add standalone mode
Fix potential TypeError when reading undefined size.name
Work in progress (ckeditor integration)