Adding missing doc block for util\Validator::.
Adding missing doc block for util\Validator::.

Fixing some coding standard violations.

jails/lithium,davidpersson/lithium,UnionOfRAD/lithium,m4rcsch/lithium-core-library,wbeater/lithium,pixelcog/lithium,qoqa/lithium,muyehub/lithium,whowgames/lithium,qoqa/lithium,muyehub/lithium,whowgames/lithium,datachand/lithium,jails/lithium,mehlah/lithium,mehlah/lithium,davidpersson/lithium,m4rcsch/lithium-core-library,wbeater/lithium,m4rcsch/li3_framework,SensCritique/lithium,pixelcog/lithium,graphis/lithium,UnionOfRAD/framework,datachand/lithium,SensCritique/lithium,UnionOfRAD/lithium,graphis/lithium