Update contributor documentation for post-GSOC
Add compatibility for JsonSerializable

Fixes #24 for 5.2/5.3.
Sanitize whitespace in headers

Fixes #7.
Register rewrite rules on activation

Fixes #17. Props @pippinsplugins
Fix /pages references in WP_JSON_CustomPostType
Fix /pages parent link base route
Merge pull request #26 from thenbrent/master

Fix /pages references in WP_JSON_CustomPostType
Remove redundant WP_JSON_Pages::type_archive_link

As it is identical to WP_JSON_CustomPostType::type_archive_link()
Merge pull request #7 from WP-API/sanitize-header-values

Plugin breaks for titles with newlines
Merge pull request #17 from WP-API/rewrite-activation

Register rewrite rules during plugin activation
Bump to 0.7
Removed executable bit on all files.
Merge pull request #31 from tierra/remove-exec

Removed executable bit on all files.
avoids 'featured_image: null' for post types that does not support thumbnail
changes hook plugins_loaded to wp_json_server_before_serve. Issue: http://wordpress.org/support/topic/extending-wp_json_customposttype-gives
Merge pull request #43 from phh/master

Thumbnails for post types that does'nt support and docs update
Use interface_exists instead of class_exists
Revised get_avatar() public method to use core get_avatar function and return stripped url.
Revised get_avatar() protected method to use core get_avatar function and return stripped url.
Added whitespace for readability to public method get_avatar().