Merge branch 'master' of github.com:vanillaforums/Garden into stage
Merge branch 'stage' of github.com:vanillaforums/Garden into stage
New class to handle event logging.
Logger: Added Domain and Path
logger: Added: signin, login, password change, CSRF failure and permission denied events
logger: Added: password_reset and password_reset_request events
Updated some return value docs to help with autocomplete.
AttachmentModel: Initial Commit
AttachmentModel: add needed style to global style.css
Baselogger: fix error log level
Merge branch 'stage' of github.com:vanilla/vanilla into stage
Add support for controllers in plugins.

- Autoload controllers with all autoloader maps.
- When finding a controller check to see if it
  belongs to a plugin or application.
Remove Gdn_Controller->ControllerFolder.

The ControllerFolder is a really old artifact of pre 2.0 Vanilla. It was intended to allow for controllers nested into folders which ended up never being used.
dblogger: Add simple API, Update to use URL with domain,
Don’t dispatch to controllers that aren’t in a /controllers folder.
Merge pull request #1939 from vanilla/hotfix/fb-auth-embed-redirect

Added conditional target for forcefully embedded forum redirects.
attachments: Only write error attachment if custom methods are enabled
Set the Gdn_Controller->Application to the name of the plugin if
dispatching to a plugin’s controller.
Allow Gdn_Dispatcher->ControllerArgumetns() to take a $Value parameter.
Improve markup of "In This Discussion" list.