New modules to support czech comparison services
Add chosen library because module's make file was removed. See http://drupalcode.org/project/chosen.git/commitdiff/9d00154bf0b276138511ec733a12cdf6bee1d476?hp=ad054a4990c2c513a28e807995aa0c7fa2ac47f1
Merge branch 'f-czech_price_comparison_services' into dev