+ use empty? instead of blank? to remove dependency on AR
+ use empty? instead of blank? to remove dependency on AR

baxter/phony,tpena/phony,floere/phony,davydovanton/phony,Samda/phony,ypelud/phony,SergeyKishenin/phony,davecocoa/phony,izzm/phony,dwilkie/phony