Added moveUp and moveDown functions for element positioning within a child group
Added swap function which children arround by indexes within their group
Altered example method
Updated tests to add positioning method coverage
Added remove option example
Added remove functon.  This tests for a parent and removes the element from the parent association
Added removeChild accessor
Fix for when no countries are being added
Updated tests
Merge branch 'master' of github.com:alexwyett/aw-form-fields