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
[Fix bug 1032905] Fix "country" regex in phonebook URLs.
Revert "[Fix bug 1025093] Fix mapbox attribution to map UI."

This reverts commit db03f6449ae073450bfa9fb0dab1666702087780.

Automatic attribution fails when using Mozilla's mapbox IDs.
We need to investigate this further.
[fix bug 1026590] Better error message for invalid phone numbers.
Merge pull request #1012 from akatsoulas/1026590

[fix bug 1026590] Better error message for invalid phone numbers.
Merge pull request #1011 from johngian/1032905

Fix "country" regex in phonebook URLs.
[bug 1026590] Wordsmith phone validation text.
[fix bug 1033422] Add signal to handle UserProfile.is_vouched property.
[fix bug 1033486] Add can_vouch UserProfile attribute
[fix bug 1033420] Allow Admins to add, edit, delete vouches in /admin.