Changes onlySpaces regex to skip empty lines w/o whitespaces
Changes onlySpaces regex to skip empty lines w/o whitespaces

cskeppstedt/coffeelint,machadoit/coffeelint,mitar/coffeelint,zmbush/coffeelint,clutchski/coffeelint,sgentle/coffeelint,sagemathinc/coffeelint-cjsx,emorikawa/coffeelint-cjsx,AsaAyers/coffeelint,swang/coffeelint,lydell/coffeelint