Clean up webapi/unsubscribes
sendwithus app documentation
Remove old joomla image

Closes #434
Update livedocs.js
fix bad html
fix newrelic doc
Merge pull request #466 from danielamihalache/SendwithusDocumentation-JediBees-RES-1165

[CR] Sendwithus App documentation-JediBees-RES-1165
Merge pull request #468 from sendgrid/develop

deploy