Fix spreadsheet keyboard navigation. Issue: #448
Merge branch 'testing' into develop
Validate 'Everyone at x' for at least one valid phone number. Issue #333
Fixed tests and added new test for 'everyone at'. Issue: #333
Set up Slack build notification
Email build notifications - back by popular demand
Merge branch 'master' into develop
Merge branch 'testing' into develop
brute force hack to push to market in after_success script. #447