Fixes gh-267

correct testProcessCreationFormHasErrors method's post url

previously the div.control-group and the containing input shared the same id

* pr/229:
  Polish contribution
  Put Ehcache back

Closes gh-229

Encapsulation is better that way (and tere is a getter for all of them
anyway).

The fact that it was still there on the classpath means it needs to
be configured (and fails silently if you don't). Removed to give
us some tmie to reconsider.