NOJIRA Update README with better JRUBY_OPTS advice
Merge pull request #1938 from ctweney/readmeTweak

NOJIRA Update README with better JRUBY_OPTS advice
NOJIRA Document our xvfb requirement
Merge pull request #1939 from ctweney/readmeTweak

NOJIRA Document our xvfb requirement
NOJIRA Add Mike to test data
Merge pull request #1940 from raydavis/raywip

NOJIRA Add Mike to test data
[CLC-2985] Fix styling of Add User to Course Tool
[CLC-2985] Implemented bCourse color variables, applied to AUC tool button
[CLC-2985] Removed unnecessary 'small-12' class. Renamed center alignment class to be more semantic
[CLC-2985] Converted font-size to pixels. Removed unnecessary float property.