Rules integration is updated to Rules 7.x-2.2 release.
Changes since previous release:
Add to rules integration a wrapper class with validate method.
Set default value on rules input form.
#1225564: Add integration to Entity API and Rules modules.
#1276856: Restore display if field is added to an entity after instances of that entity exist.
#1228552: Retain settings form items added by other modules.
