Wrong delete call to unassign lists

https://api.sendgrid.com/api/newsletter/delete.json

should be

https://api.sendgrid.com/api/newsletter/recipients/delete.json
Merge pull request #459 from Sebastix/patch-1

Wrong delete call to unassign lists
fix anchor tag
remove whitespace
add support knowledge base search and change ajax requests to use promises and display error messages on failure
strip html from response for consistency
fix truncation
add tab panes for results
filter status updates from KB search results
Merge pull request #460 from sendgrid/kb_search

Improved search (now with Support Knowledge Base!)
add oauth token
Merge pull request #462 from sendgrid/kb_search

add oauth token
Update search.js
Merge pull request #463 from sendgrid/develop

Ship it!