Eliminate unneeded local variable in MongoidCriteriaMethods
Eliminate unneeded local variable in MongoidCriteriaMethods

 * #count already caches the result
 * change indent
 * we prefer && to `and`

joe1chen/kaminari,royels/kaminari,bonekost/kaminari,mperrando/kaminari,bsboris/kaminari,antstorm/kaminari,sr-education/kaminari,plribeiro3000/kaminari,yui-knk/kaminari,sanrodari/kaminari,yui-knk/kaminari,iberianpig/kaminari,mrstif/cursor,Teino1978-Corp/Teino1978-Corp-kaminari,Zhomart/kaminari,jcoyne/kaminari,iberianpig/kaminari,plribeiro3000/kaminari,danimashu/kaminari,jiamaozheng/kaminari,pat/kaminari,sachin21/kaminari,varvet/kaminari,guodongme/kaminari,jiamaozheng/kaminari,amatsuda/kaminari,thiagorp/kaminari,bonekost/kaminari,amatsuda/kaminari,parity/kaminari,JuanitoFatas/kaminari,guodongme/kaminari,aelogica/kaminari,Zhomart/kaminari,kaminari/kaminari,parity/kaminari,onursarikaya/kaminari,Teino1978-Corp/Teino1978-Corp-kaminari,Boomkat/kaminari,danimashu/kaminari,wkirschbaum/kaminari,sendgrid/kaminari,dblock/kaminari,wkirschbaum/kaminari,mperrando/kaminari,JuanitoFatas/kaminari,kaminari/kaminari,dblock/kaminari,varvet/kaminari,Boomkat/kaminari,thiagorp/kaminari,joe1chen/kaminari,sideci-sample/sideci-sample-kaminari,bsboris/kaminari,sendgrid/kaminari,aelogica/kaminari,sendgrid/kaminari,peter-umb/umbie_kaminari,antstorm/kaminari,peter-umb/umbie_kaminari,pat/kaminari,sr-education/kaminari,sanrodari/kaminari,sachin21/kaminari,fkagami/kaminari,epicagency/kaminari,mrhead/kaminari,mrhead/kaminari,epicagency/kaminari,barkbox/cursor,royels/kaminari,onursarikaya/kaminari