Initial commit for properties types improvements
Update to latest symfony 2.1
Make sure that default value of property type is string. Make sure that
property can be created for each type.
Add scenario for boolean product property. Replace type which was
defined as string to text ones.
Add scenario to show choice type at product page.
Add number property scenario.
Change after rebase. Fix product prototypes feature.
Merge pull request #14 from l3l0/feature/property-types

Basic implementation of different product properties types