Use related_name to generate inline field names. Fixes issues #417, #418.
Merge pull request #429 from bryhoyt/inline-model-field-fix

Inline model field fix to address issues #417, #418
Fixed #424. Fixed automatic class name generation
Fixed #416. More flexible menu system
Fixed #431. Fixed typo in ImageUploadField.
Merge pull request #5 from mrjoes/master

Merge from central repo into bryhoyt's fork