Second installment of HTML5 attributes for forms

More conversions and some cleanups.
Some fixes for scrutinizer reported issues
A few more small issues
Add getConfigs() method to module helper HelperAbstract

This returns an array of all of a module's configs. Added to unit test and codex example.
Merge pull request #186 from geekwright/formattr2

Second installment of HTML5 attributes for forms
Merge pull request #187 from geekwright/config

Add getConfigs() method to module helper HelperAbstract