Rate limit status endpoint moved to "application" namespace

- s/account/application/ wherever the rate limit status endpoint was referenced

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@25286 44c647ce-9c0f-0410-b52a-842ac1e357ba
Updated documentation for Twitter

- Moved "rate limit status" under the new "application" namespace.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@25287 44c647ce-9c0f-0410-b52a-842ac1e357ba