Merge pull request #290 from greezybacon/issue/288

forms: Fix advanced search on fields without a `name`

Reviewed-By: Peter Rotich <peter@osticket.com>
Merge pull request #291 from greezybacon/issue/281

Allow edit of user on ticket-edit page

Reviewed-By: Peter Rotich <peter@osticket.com>
Merge pull request #293 from greezybacon/issue/276

forms: Require `title` for all custom forms

Reviewed-By: Peter Rotich <peter@osticket.com>
Add all contact information to user lookup popup

Previously only the name, email, and phone number would be displayed on the
pop up dialog
forms: Fixup possible XSS exploit

Displaying field values on various pages and dialogs could result in cross
site scripting exploits.

Fixes osTicket/osTicket-1.8#296