update iOS description and class levels (added 'silver' color)
Update course.rb

enhanced the description for level 4 in ios. Silver.
Merge pull request #1 from jeffreybergier/patch-1

agree with enhanced description for level 4 (silver, designers) in course.rb
Merge branch 'master' of https://github.com/kmolo/bridge_troll into kmolo-master
Dynamically assign colors in the section arranger based on course levels

Increase width of date field in event creation