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.
Merge pull request #248 from avindra/master

Code cleanup, removal of JavaScript based resizing hack