ordering of lineups with seats--still need to polish up (see google keep)
remove sentinel
going to try south on heroku
restored old models for heroku
added back model changes
removed seat and practice from lineup
restored changes
removed changes (last try)
restored changes; going to try something new later
trying from master (with updated models
Merge branch 'master' of heroku.com:cos333
removed old migration
trying with new database
removing seat and practice
added seat back
Merge branch 'brian/practice/sentinel'
update api to reflect new model