Add initial version of seed data for Condition, Cohort, ActivitySchema; add migration to add questions field to ActivitySchema; set up ActivitySchema model with has_many_inline for questions; set up attr_accessible for several models to allow seeding
Merge pull request #3 from ucberkeley/features/DCC/seed-remaining-models

Add initial version of seed data for Condition, Cohort, ActivitySchema; ...
updating from master
updating features
Merge branch 'features/RH/SW-bootstrap' of github.com:ucberkeley/moocchat into features/RH/SW-bootstrap