basic sms functionality working
added announcemnts migration, model and specs. Also updated teacher model and specs to include announcement associations
Merge pull request #76 from rwarbelow/add_table_announcements

Add table announcements
Merge pull request #77 from rwarbelow/prepare_to_deploy

removed errant css causing error
Merge pull request #78 from rwarbelow/prepare_to_deploy

added ruby version to gemfile