Updated Zend/Form/Factory to allow for custom injection of factories when a fieldset is created and configured
Removing Trailing Whitespace
Clean up of a micro-optimization per @prolic
Corrected a variable name issue (causing test failure)
Added Test Methods:

testCanCreateFormsAndSpecifyFactory
testCanCreateFactoryFromArray
testCanCreateFactoryFromConcreteClass
testCanCreateFormFromConcreteClassAndSpecifyCustomValidatorByName

The 4th being the most important. It tests for the existance of a custom validator.
Merge branch 'feature-form-factoryinjection' of github.com:tklever/zf2 into hotfix/4666
Merge branch 'hotfix/4666' into develop

Forward port #4666