added condition to check if org exisits to add new users. Fixes #363.
added logic to show organization roles in dropdown on org edit or new. Fixes #364.
removed multiple text areas from the groups edit page. Fixes #368
fixed data tables issue by adding same number of columns in header and body. This fixes the dataselector error as well.
added validation for reminder confirm.
Merge branch 'develop' of https://github.com/postcode/promptly into develop