Plone 4.3 compatibility.
collective.z3cform.widgets.token_input_widget.TokenInputFieldWidget replace subjects widget for every dexterity content, only if the product is installed.
Fix test suite.
update changelog.
update change log
use basic-validation bundle
use correct .rst extension on documentation files
update list of ignored artifacts
fix package distribution
Upgrade step to add the layer.
Merge branch 'plone43' of github.com:collective/collective.z3cform.widgets into plone43
Update README
update package documentation
update change log
add reference to plone.app.widgets
Preparing release 1.0b6
Back to development: 1.0b7
Merge pull request #30 from collective/plone43

Plone 4.3 compatibility