Return null if post doesn't have an excerpt.  Fixes #72.
Note that Chassis requires local-config.php
Clarify that content/themes/ needs to be created

Also removes local-config.php instructions, as newer Chassis versions don't
require it.
Merge pull request #114 from WP-API/clarify-testing-config-instructions

Fix testing instructions with Chassis
Fix link to issue tracker

We've been using GitHub for a while now.
Merge pull request #125 from WP-API/fix-issues-link

Why all the issues on GitHub if you're using GSOC's Trac?
Move filter registration out of CPT constructor
Merge pull request #126 from WP-API/deduplicate-filters

Move filter registration out of CPT constructor
Add call to register_filters in documentation

Missed in #126.
Update to 0.9
Move the test helper to a subdirectory

This stops it from appearing in the plugins list.
Typo fix :)
Merge pull request #132 from codebykat/patch-1

Typo fix in schema docs.  Props @codebykat
Use correct JSON parameter names in compatibility docs.

Corrected content parameter name and added parameter to demonstrate excerpt parameter.
Corrected title parameter name in compatibility docs.
Use correct JSON parameter names in post route docs.

Corrected title and content parameter names and added parameter to demonstrate excerpts.
Check for valid JSON data before using
Merge pull request #133 from WP-API/check-valid-json

Added check for valid JSON data before using to avoid parameter overwrite.  Fixes #133
Corrected parameter names in x-form examples.
Add authentication property to site index