Changed IsAdmin -> IsAdminUser in example
Merge pull request #308 from markotibold/docs-edits

Documentation spelling and other mistake fixes.
Minor docs tweaks
Remove `initial` kwarg, add `default`.
Remove redundant check if method=='DELETE'
Refactoring BrowsableAPIRenderer
Fix serialization of reverse relationships
Merge pull request #311 from j4mie/fix-reverse-relations

Fix serialization of reverse relationships
Merge field changes: .default and .widget
Merge commit '95a670de41a246777bc1e448dca8cc576b7b86ea' into BrowsableAPIRenderer

Conflicts:
	rest_framework/renderers.py - manually resolved conflict
Update docs/api-guide/fields.md

Fix typo.
Merge pull request #312 from markotibold/BrowsableAPIRenderer

WIP on #310
#314 Fix for manytomany field being required in the payload even though the field is specified as readonly in the serializer
Merge pull request #315 from Roarster/emptymanytomany

#314 Fix for manytomany field being required in the payload even though ...
Implement per-field validation on Serializers
Switch from clean_<fieldname> to validate_<fieldname>, clarify documentation
Add cross-field validate method
Clean up internal names and documentation
Move per-field and cross-field validation into a single method
Merge pull request #318 from j4mie/field-validation

Implement per-field validation on Serializers