order alphabetically, remove the double space.

README.md

@@ -879,6 +879,7 @@ See https://staticsitegenerators.net and https://www.staticgen.com
   * [Bugzilla](https://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. `MPLv2` `Perl`
   * [Bumpy Booby](http://bumpy-booby.derivoile.fr/) - A simple, responsive and highly customizable PHP bug tracking system. ([Source Code](https://github.com/piero-la-lune/Bumpy-Booby)) `MIT` `PHP`
   * [Cerb](http://www.cerberusweb.com/) - Group-based e-mail management project.
+  * [Deskulu](https://github.com/Taskulu/deskulu) - Opensource helpdesk and ticketing system based on Drupal 7. `GPLv2` `PHP`
   * [DiamanteDesk](http://diamantedesk.com/) - DiamanteDesk is FREE Open Source easy-to-use help-desk solution. ([Demo](http://diamantedesk.com/demo/), [Source Code](https://github.com/eltrino/diamantedesk-application)) `OSLv3` `PHP`
   * [Flyspray](http://www.flyspray.org/) - Uncomplicated, web-based bug tracking system. ([Source Code](https://github.com/Flyspray/flyspray)) `GPLv2`
   * [Gaskit](https://github.com/bkeepers/gaskit) - A git-backed issue tracker. It uses a branch in your local git database to store the tickets. `GPL`
@@ -888,7 +889,6 @@ See https://staticsitegenerators.net and https://www.staticgen.com
   * [OTRS](http://www.otrs.com/) - Trouble ticket system for assigning tickets to incoming queries and tracking further communications.
   * [Request Tracker](https://www.bestpractical.com/rt/) - Ticket-tracking system written in Perl.
   * [TheBugGenie](http://www.thebuggenie.com) - Ticket system with extensive user rights system.
-  * [Deskulu](https://github.com/Taskulu/deskulu) - Opensource helpdesk and ticketing system based on Drupal 7.  `GPLv2` `PHP`
 
 
 ## URL Shorteners