Made some sweet factories with faker and some tests for challanges#index
Tests for challenges#show and challenges#index
Commit before migration testing
Added phases, week, and day to challenges.  Added Challenges to phases.  Models not updated
Destroy functionality added to edit page
Made delete link red for DANGER!!
Made rake task for setting challenge's default_week to match understood challenge_unit_id
Added red carpet gem
Made markdown work with redcarpet... suprisingly easily
Changed index to also use markdown parsing
Added code highlighting to markdown parser.
Merge branch 'development' into events

Removed unused JS
Removed a reference to surveys from events#create view
Removed unused new.haml