add framework option to ZurbFoundation4 to allow setting of validation alert styles
coding style improvements - fixed brace location as per PSR-2, fixed indent
added foundation option error_classes to ZurbFoundation to allow customizing alert style; default to alert-box alert warning
fixed Zurb tests to recognize switch of tag from small to span
added tests for Zurb and Zurb4 for error_classes fountation option
code style changes - removed spaces around array()
removed mistakenly added unused 'use mockery' line
Merge pull request #307 from adamfeuer/zurb4-form-validation-help-fix

add framework option for zurb4 to allow setting of validation message style