Added basic shoulda matchers for phase and challenge specs
Merge branch 'development' into spec
refactored events controller and fixed events views
Merge branch 'styling' into development
New styles for challenge index
Nav Bar Made gray
Added local ip to greenlist for better_errors (localhost works, tie-fighter.local didn't)
Removed visibility of each loop on challneges#index.  Added time.ago to index
Only show updated at if it differs from created at in challnges#index & challenges#show
Merge branch 'development' into spec
Added forms test for challenges
Changed layout title text
Deciphered week logic, make rake task 'set_weeks' to correctly assign default weeks for challenges
Merge branch 'challenges' into development
Fixed rake logic to handle all found items instead of only first item for set default_weeks task: 'set_weeks'
Made a set days rake task that sets day of the week for week's assignment
Merge branch 'challenges' into development
Red to green challenges index
Created a helper for days of the week.  considering dropping Default day of week table and renaming levels