Backport get_avatar_url() fix to v1 REST API
Time Constant HOUR_IN_SECONDS

_wc_activation_redirect transient have HOUR_IN_SECONDS instead `60*60`.
REST API: Fix JSONP content-type
REST API: Mitigate possible JSONP flash attacks

see http://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/
REST API: Add order statuses endpoint
REST API: Add field restriction to new endpoints
Fix notice introduced in #6084
REST API: ensure consistency in create/edit data formats

A client should be able to GET a resource, edit a single item and PUT
it back to the server without having to perform any additional
transformation. This commit ensures all PUT/POST endpoints adhere to
this standard.
REST API: tweak filter name from #6084
REST API: allow adding/updating order meta

When creating or updating orders, non-protected scalar meta can now be
set.
REST API: Fix edit coupon typos
REST API: allow coupon description in create/edit coupon
Coding Standards: Main plugin file

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`

@see http://make.wordpress.org/core/handbook/coding-standards/php/
Coding Standards: Abstract classes

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`
* improved readability

@see http://make.wordpress.org/core/handbook/coding-standards/php/
Coding Standards: Less files

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
Coding Standards: Admin JS

Fixed spacing as per
http://make.wordpress.org/core/handbook/coding-standards/javascript/
Coding Standards: Admin - Importers

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`
* improved readability

@see http://make.wordpress.org/core/handbook/coding-standards/php/
Coding Standards: Admin - Meta boxes

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`
* improved readability

@see http://make.wordpress.org/core/handbook/coding-standards/php/
Coding Standards: Admin - Reports

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`
* improved readability

@see http://make.wordpress.org/core/handbook/coding-standards/php/
Coding Standards: Admin - Settings

* fixed indentation - swapped spaces for tabs at start of line, swapped
tabs for spaces min-line for alignment
* removed instances of `@return void` and `@access public`
* improved readability

@see http://make.wordpress.org/core/handbook/coding-standards/php/