users can invite users
users can view and edit their profiles
still need to add validation for correct phone number format
add phone number validation and formatting
routing tasks and subtasks to groups in a more single page app style
not finished refactoring task and subtask specs to reflect change
changed routing in specs to reflect single page style
remove descriptions from tasks and subtasks
fix priority selector
add user_email to membership.  Users can invite others to their groups with email addresses