Merge branch 'hotfix/0.1.1'
Changed readme to use GitHub link instead of email
Specify `__all__` in `mixins` and `generics`

This fixes #2 by specifically saying what will be imported from
`mixins.py` and `generics.py` when a star import is done on these
files.  This is done within `__init__.py`, so the classes can be
imported directly from there.  This prevents an issue where
`rest_framework.mixins` was being imported from `generics.py`, so
users were not able to import `rest_bulk_create.mixins`.
Fixed calling pre_save in BulkUpdateModelMixin

The pre_save trigger is performed on single objects, however in BulkUpdateModelMixin it was called with a list of objects as argument
Merge pull request #6 from Bounder/master

Fixed calling pre_save in BulkUpdateModelMixin
Added Arien Tolner to contributor list
Merge branch 'issue_2' of https://github.com/kevin-brown/django-rest-framework-bulk into kevin-brown-issue_2

Conflicts:
	README.rst
Merge branch 'master' of https://github.com/miki725/django-rest-framework-bulk into develop