daily dev on weekend
project member controller init
feature user can add member to project
Merge pull request #1 from jancuk/feature-user-can-add-member-to-project

feature user can add member to project
cancan ability define (initial)
sometime too deep is good (my thought)
define current ability in controller
rescue when someone try to break the authorization rule
implement cancan with rails 4
Story can be created
add index to ability
each story recipe has one project through story belongs_to it