without subclassing HyperlinkedRelatedField and overwriting
slug_url_kwarg and slug_field there is no possibility to use other
fields / arguments. now you can do something like this:

url(r'^users/(?P<username>\w[\w-]*)$', UserInstance.as_view(),
name='user-detail')

class ProjectSerializer(serializers.HyperlinkedModelSerializer):
    created_by =
serializers.HyperlinkedRelatedField(view_name='user-detail',
slug_url_kwargs='username', slug_field='username')

Fixing tutorials

add missing imports
Browsable API seems to be working fine with FBV's (2.0.0)
removing snippets from the URI doesn't make sense
remain consistent in using SnippetDetail

Conflicts:
	.gitignore
	.travis.yml
	AUTHORS
	README.rst
	djangorestframework/mixins.py
	djangorestframework/renderers.py
	djangorestframework/resources.py
	djangorestframework/serializer.py
	djangorestframework/templates/djangorestframework/base.html
	djangorestframework/templates/djangorestframework/login.html
	djangorestframework/templatetags/add_query_param.py
	djangorestframework/tests/accept.py
	djangorestframework/tests/authentication.py
	djangorestframework/tests/content.py
	djangorestframework/tests/reverse.py
	djangorestframework/tests/serializer.py
	djangorestframework/views.py
	docs/examples.rst
	docs/examples/blogpost.rst
	docs/examples/modelviews.rst
	docs/examples/objectstore.rst
	docs/examples/permissions.rst
	docs/examples/pygments.rst
	docs/examples/views.rst
	docs/howto/alternativeframeworks.rst
	docs/howto/mixin.rst
	docs/howto/reverse.rst
	docs/howto/usingurllib2.rst
	docs/index.rst
	docs/topics/release-notes.md
	examples/sandbox/views.py
	rest_framework/__init__.py
	rest_framework/compat.py
	rest_framework/utils/breadcrumbs.py
	setup.py

fix ModelSerializer useage

cause of:
from snippets.models import Snippet

Thanks to @Roarster.

Writable related fields should return a model instance from .from_native...

Null is true model fields

Fix some typos.

Merge branch 'restframework2' of https://github.com/tomchristie/django-rest-framework into restframework2

Test put as create