Fixed Comments naming conventions to Comment where necessary
Fixed user_id and challenge_id for comments.  Changed comment styling
Small input field change
added edit cohort link and added column to cohort to check what day it is in a given phase
Merge branch 'development' of github.com:supertopher/play_dough into development
adding more methods to figure out user dashboard
changed cohort start_time field to datetime from string
added cohort event migration/model
time
fixed merge conflicts