Assets\Filters\Cssmin should implement Assets\FilterInterface
Assets\Filters\Cssmin should implement Assets\FilterInterface

(cherry picked from commit bd0e085bc6dd637ba1e639d2be37e73224ae22d4)

Conflicts:
	ext/assets/filters/cssmin.c

unisys12/phalcon-hhvm,Zaszczyk/cphalcon,unisys12/phalcon-hhvm,Zaszczyk/cphalcon,Zaszczyk/cphalcon,unisys12/phalcon-hhvm,Zaszczyk/cphalcon,unisys12/phalcon-hhvm,unisys12/phalcon-hhvm,unisys12/phalcon-hhvm