Revert "Remove the errors partial, since simpleform shows prettier error messages"

This reverts commit 6ffe64dce10151624e3edb79739e4ef9e5ebde95.

Conflicts:
	app/views/tickets/_form.html.erb
Revert "Delete the success partial (this also removes some false errors from the UI)"

This reverts commit bad8b40e4c1282379ceae335de7a503917c6cee6.

Conflicts:
	app/views/tickets/_form.html.erb
Revert "Migrate Ticket form to use simple_form"

This reverts commit c292a8d3bb71f8c7e3b71bf4d8874c8af52f78a0.

Conflicts:
	app/views/tickets/_form.html.erb