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Revised the title of the message inline with the alert definition and revised the severity levels in accordance with the PushOver API. Removed some unused code.
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* gitlab alert transport added
* fixed SQL file and cleaned up a bit
* updated license information
* added relevant information Transports documentation
* Fixed spacing issues
* removed unnecessary text from variable
* fixed sql schema file syntax
* changed sql schema order
* fixed creation of issues for resolution events
* addressed file name conflict
* fixed spacing, again
* removed unused variable
* Update Transports.md
* Refactor alert transports to classes
* Fix linting
* Make Slack alert transport php 5.3 compatible
* Rename call method to deliverAlert for alert transport
