Fixed typos
Merge pull request #897 from pborreli/typos

Fixed typos
Add @pborreli for #897
Fix md formatting and typos
Merge pull request #898 from minddust/fix_md_format

Fix md formatting and typos
Rename test modules to 1.6 style
Change test urls to match 1.6 test module name style
Added get_url hook to HyperlinkedIdentityField in line with HyperlinedRelatedField.  Closes #883
Fix quickstart urls module name. Closes #902
Note widget attribute on serializer field. Closes #836.
Release notes
Rephrase serializer -> form notes in tutorial