MISC: Adds .rvmrc
MISC: Changes hint_text to text to enable rake db:populate
DEVSUPPORT-1174: Adds Data Supervisor delete response permissions
DEVSUPPORT-1174: Adds delete response button visible only to supervisors
DEVSUPPORT-1174: Enables bootstrap.js, adds modal confirm dialogue
DEVSUPPORT-1174: Adds per resposne delete modal
DEVSUPPORT-1174: Adds destroy response route
DEVSUPPORT-1174: Adds cucumber tests