Fixed #90. Add notification option when creating an invite.
Fixed #94. Stop making calls to /api/sites if we browse away from home.
Fixed #47. To retrieve a plan user must be associated with a site using that plan.
Merge pull request #97 from yeukhon/email

Fixed #90. Add notification option when creating an invite.
Merge pull request #101 from yeukhon/issue#94

Fixed #94. Stop making calls to /api/sites if we browse away from home.
Merge pull request #102 from yeukhon/issue#91

Fixed #47. To retrieve a plan user must be associated with a site using ...
Fixed #93. Send login once invite is accepted to get last_login date.

This fix might seem a waste for making a round trip. Well, the backend's
update_invite is monster and should be refactored to individual functions
to update both invite and user document. That being said, it isn't that
bad to make an extra round trip. It is a quick fix and actually does
reuse what has been implemented (login function in the frontend views
module).
Merge pull request #98 from yeukhon/issue#93

Fixed #93. Send login once invite is accepted to get last_login date.