Status Management.
 + Move Account, groups, membership 's status mechanism to static.
 + Update forms accordingly.
Membership management
    + Add function to deal with PENDING request
    + Display membership status from group's view
    + Display role level from group's view
    - Add commented link to request membership.
Add optional param "status' to EndPoint API /people
Only request to add new team to github if group has been bound to github.
Return saved LicenseAgreement object with incremented id.