Add test ensuring that classmethods aren't altered (See #135).
Fix 'gif' image tests.

The latest pillow has changed the default gif palette, so we'll use a normalized RGB palette instead.
Improve README.
Switch FACTORY_FOR and related to 'class Meta'.

This is easier to declare, avoids cluttering the namespace, and provides
entry points for ORM-specific customization.

Signed-off-by: Raphaël Barrois <raphael.barrois@polytechnique.org>
factory.django: Fix counter inheritance with abstract models.
Migrate factory.alchemy to class Meta
Add tests for class Meta
Switch tests to class Meta.
Remove containers.DeclarationsDict.

Now replaced with a simple dict.
Add DeprecationWarning for FACTORY_* kwargs
Update ChangeLog
Update docs for class Meta.
Rename 'target' to 'model'.
Rename hidden/arg_parameters to exclude/inline_args.
Update ideas.
Improve docs on create_batch (Closes #139).
Fix test_deprecation test.
Introduce back missing doc about migrating FACTROY_DJANGO_GET_OR_CREATE.
doc: Document upgrade path for FACTORY_*.
Merge branch 'master' of https://github.com/rbarrois/factory_boy