Ignore case for ticket variables on custom fields
Merge pull request #545 from greezybacon/issue/case-ticket-variable

Ignore case for ticket variables on custom fields

Reviewed-By: Peter Rotich <peter@osticket.com>
Allow searching for *any* priority
forms: Add placeholder and promts

Priority field and custom list fields have a prompt value (shows up only for
drop-down widget). And the short and long answer fields have a placeholder
configuration item.
Add placeholder for typeahead lists
staff ticket: Auto select 'Phone' source
staff ticket: Department is optional
staff ticket: Auto select singular help topic

If the system has only one help topic automatically select the help topic
and display any associated custom form.
Merge pull request #547 from greezybacon/issue/search-no-priority

forms: Allow searching any priority

Reviewed-By: Peter Rotich <peter@osticket.com>
Merge pull request #548 from greezybacon/issue/543

Simplify workflow for new ticket by staff

Reviewed-By: Peter Rotich <peter@osticket.com>
Merge remote branch 'upstream/develop' into develop-next

Conflicts:
	include/class.forms.php