Add 'form-widgets-field_id' as widget css id (consistency with other widgets).
fix typo and test
Merge branch 'master' of git://github.com/collective/collective.z3cform.datagridfield
Merge branch 'master' of git://github.com/collective/collective.z3cform.datagridfield
Merge branch 'master' of
git://github.com/collective/collective.z3cform.datagridfield

Conflicts:
	docs/HISTORY.txt
Merge pull request #21 from tdesvenain/master

Add 'form-widgets-field_id' as widget css id