Create session routes and controller to handle login/logout
Session controller, login, logout, signup working
fixed logout route issue
added current_user method to application controller
only logged in user can be logout
add user profile link
Partial to iterate and display pitches
added Delete user profile function
added delete user link, working
Added user db constrains
database constraints added
Added user_id to controller create methods that require 2 table ids
Pitch controller accounts for current user when creating a pitch
added default user to factories as required to create comments, pitches
Fixed feature test
merge db_constraints with master
Merge branch 'db_constraints'