Based on #4918.

Related to #4127.

This was implemented in 2ee4dd85

Allow the root route helper to accept just a string

Closes #5245

It fails if routes from to railties are called in one context,
for example: blog.posts_path and main_app.users_path

Removed max-stale from the setting the cache-headers in the response as max-stale is a cache request header.

Set "March 1, 2012" as the release date for 3.2.2, 3.1.4, 3.0.12

We have an empty api doc page otherwise :)

Closes #393

variables in the form builder

There was a mix, sometimes patch first, sometimes put first.
Use always patch first, since this is going to be the
primary verb for updates.

uses PATCH for the forms of persisted records, and routes PATCH and PUT to the update action of resources

constraints on the querystring. Issue #2781