adding a test case for the current behavior
adding instantiateNullParameters method
adding test for null vraptor instantiator
renaming method to useNullForMissingParameters
renaming test
static class
adding EN docs about null parameters
adding PT docs about null parameters
fixing condition
Merge pull request #663 from caelum/addingDocsFor532PR

Adding docs about null parameters
changing to protected
Merge pull request #660 from caelum/nullOrNotNullThisIsTheQuestion

adding method to allow choosing when to instantiate null params
Adding fail() to converter tests
Typo
Merge pull request #664 from caelum/ot-fixingtestswfail

Adding fail() to converter tests
Changing component priority