updated find :first to where().first for arel rails3 - test needed
updated find :first to where().first for arel rails3 - test needed

citrininfo/netzke-core,citrininfo/netzke-core,Mahaswami/netzke-core,Mahaswami/netzke-core,citrininfo/netzke-core,citrininfo/netzke-core,Mahaswami/netzke-core