Merge pull request #145 from wolfe/master

Updates for Django 1.7: locate models in the new app registry
Added the ability to use iterators in Recipes.
Moved the magic of Sequence to Recipe and remove Sequence which is no longer needed. Sequence can now be implemented as a generator function.
Fixed small grammatical error in README.rst.
Add trove classifiers to indicate Python 3 support
Merge pull request #151 from rouge8/patch-1

Add trove classifiers to indicate Python 3 support
Fixes #153 - prepare persists an instance for a related OneToOneField

Override type mapping for OneToOneField in prepare method
Merge pull request #154 from inancsevinc/master

Prevent prepare from persisting an instance for a related OneToOneField
update pillow
fix slug field generator
Fix type in README.rst
Merge pull request #155 from seizans/patch-1

Fix type in README.rst
python3 iterators support
test env for python 3.4
better iterator type detection
clean six imports
Merge pull request #1 from satyrius/fix-python3-iterator

Recent Recipe / Generator changes now work with Python 3.
Merge pull request #149 from DevJac/recipe_generators

Recipe generators
Repair BooleanField so random True/False value is assigned