Move dismissible button to front - test update

Update test
Allow for blank messages sent to constructor. This will short circuit rendering.
Merge branch 'master' of https://github.com/neilime/zf2-twb-bundle

# By Henry Hayes (3) and others
# Via neilime (3) and Alejandro Fiore (1)
* 'master' of https://github.com/neilime/zf2-twb-bundle:
  Fix render of "reset" and "button" in inline form
  Fix wrong class assigned to button of type "reset"
  NB XML Meta Files Ignored
  #53 FormError view helper and unit test complete
  TwbBundle\Form\View\Helper\TwbBundleFormErrors  added for review
  Update test for moved alert-dismissable
  Put dismissible message at start of message
Actually, we want false to return a blank string. Make sure a numeric zero would be passed for rendering.
Merge pull request #57 from moderndeveloperllc/master

Allow for a blank message to be sent to the alert helper