Add is_admin to users
Add new mentor application
Add new member application
Fix specs for invalid petition conditions
Add permissions checks to User model
Add pending/new authentication
Merge branch 'profile-types' of https://github.com/steven-ferguson/green_mercury into profile-types
changes member petitions to member applications
changes mentor petitions to mentor applications
Add test helpers for member and mentor
adds status pages for pending applications
add member application questions
changes gender question
adds mentor application WIP
Replace checkboxes with dropdowns & radio buttons
Limit access for new and pening applicants
allows admins to approve member applications
allows approval of mentor applications
adds authorization for viewing applications
only allow authorized users to approve applications