Remove verify authenticity token in messages controller

Twillio requires rails security turned off to receive post requests
Remove duplicate password assignment

Possilble duplication from merge conflict
Add seatgeek image url to fetch artists method

Save all image urls with artist name and seatgeek id
when all records are mass fetched from seatgeek
Merge pull request #158 from spring-peepers-2014/msg-bug-fix

Msg bug fix