Moved test packages to extras_require.
Removed dependency from five.grok.
Moved cart related content to order related.
Tested with Plone-4.3.
Updated versions
Release 0.6.0.3
Added implements to all the content types.
Updated changelog
Release 0.6.0.4
Added method: shopping_site.
Refactored views.
Release 0.6.0.5
Moved base viewlet interface to package: collective.base.
Release 0.6.0.6
Updated versions.
Moved BaseFormView to package: collective.base
Release 0.6.0.7
Added upgrade step.
Release 0.6.0.8
Added upgrade step and fixed tests.
Release 0.6.0.9
Fixed tests.
Release 0.6.0.10