Implement remote cron as api task (more to come)

 - local piping must use api/pipe.php
 - API Key is not required - bypasses TicketApiController::create
 - Overwrites ApiController's response method -  postfix exit codes are used as opposed to http codes

Add special case and helper method to process emails

Log ALL API errors along with API Key used

Rename $var to $var - for consistency

Add routine to import emailed & api files

Make collation consistent - utf8_general_ci.

Add overlay + please wait spinner on form submit

UTF-8 enclode attachment filenames
Improve encoding/decoding routines

* Change default sort order to DESC

1) Ability to limit who can post a reply
2) Expanded staff's stats view.