Added numericality validator require to validations.rb
Added numericality validator require to validations.rb

alexandred/volt,CollaboTree/volt,orbitalimpact/crystal-meth,nightweb/volt,jfahrer/volt,dummey/volt,dummey/volt,nightweb/volt,merongivian/volt,alexandred/volt,bbatsov/volt,merongivian/volt,nightweb/volt,matthew342/volt,gabrielrios/volt,orbitalimpact/crystal-meth,sinventor/volt,voltrb/volt,dummey/volt,jfahrer/volt,matthew342/volt,thyagobr/volt,ASnow/volt,dennym/volt,mzdunek93/volt,merongivian/volt,dennym/volt,bglusman/volt,ahnbizcad/volt,ASnow/volt,sinventor/volt,voltrb/volt,matthew342/volt,Gaelan/volt,bbatsov/volt,orbitalimpact/crystal-meth,askl56/volt,thyagobr/volt,Gaelan/volt,Gaelan/volt,sinventor/volt,RickCarlino/volt,mzdunek93/volt,CollaboTree/volt,bglusman/volt,RickCarlino/volt,gabrielrios/volt,voltrb/volt,alexandred/volt,RickCarlino/volt,bbatsov/volt,askl56/volt,gabrielrios/volt,thyagobr/volt,ahnbizcad/volt,ahnbizcad/volt,askl56/volt,jfahrer/volt,ASnow/volt,bglusman/volt,mzdunek93/volt,CollaboTree/volt