Add jquery-ujs-rails to mocks/show layout
Add jquery-ujs-rails to mocks/show layout

Rails 3 and higher requires an unobtrusive JavaScript library to take care of
HTTP verbs like DELETE; the JavaScript intercepts the button click and handles
the DELETE.

Change-Id: Ie2e7a00659edcc9f615493fb5680868b5e56fa58
Reviewed-on: https://gerrit.causes.com/6054
Reviewed-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>
Tested-by: Adam Derewecki <0e18f44c1fec03ec4083422cb58ba6a09ac4fb2a@causes.com>

causes/mockr,causes/mockr,causes/mockr