Fix users app migration state
[Bug 997400] Add separate model for vouches and migrate data
[Bug 997451] Add vouch interface, tweak some styles and add t-shirt icon.
[Fix Bug 997451, Fix Bug 997400] Integrate interface for multiple vouches, and allow maximum 5 vouches.
[Fix Bug 997407, Fix Bug 997417] Create a Dinosaur.
[Fix Bug 1011719, Bug 926644] Enable multiple vouches, refactor model privacy and profile pages to support them.
[Fix Bug 1032134] Require a reason for inviting and use it when we autovouch an invited user.
[bug 997400] Limit accounts to 6 vouches total.
[bug 997417] Existing employees receive one vouch.
[bug 997451] Simplify vouching view.
Merge pull request #1009 from glogiotatidis/vouchmodel

Vouchmodel