Cleanup PHP and CSS code for Project info on Dashboard.
CSS cleanup:
 * remove dashboard container resizing JavaScript hack.
 * consolidate statistics CSS
 * use only one HTML container for project descriptions. class specified in cases where description is empty.
Move imgtd styles into oxygen.css
Use CSS to store all debugging related styles. This reduces the number of elements on the page with "style" attributes from a few thousand to only a few hundred.
Just realized the getCategoryColor() function is being used elsewhere. Restoring and using function to build CSS.
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Initial GitLab inegration
Fixed Mailing settings overriding VCS settings
Comply to the coding standards (indentation); changed a gitlab link setting
Fixed params syntax
No need for gitlab specific commit
Replaced obsolete parameter %thebuggenie_url%
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Adding german html template for test mails
Adding german plain text template for test mails
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Merge pull request #248 from avindra/master

Code cleanup, removal of JavaScript based resizing hack
Merge pull request #254 from milkyway-git/patch-4

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