Fixing bug with default tickFormatter
Fixing bug with default tickFormatter

Change-Id: If53fdb1bf9563834c58cf2b569d0e1a6a7155eb8

klarkc/flot,mlitwiniuk/flot,fashionsun/flot,octavianCraciun/engineering-flot,ni-kismet/engineering-flot,sedran/flot,stanislavdavid/flot,chiu/flot,wet-boew/flot,stanislavdavid/flot,gdseller/flot,Sensirion/flot,chiu/flot,soenter/flot,andig/flot,saike/flot,trask/flot,resnick1223/flot,resnick1223/flot,chaveiro/flot,mcanthony/flot,andig/flot,chiu/flot,pepperdata/flot,andig/flot,soenter/flot,flot/flot,mlitwiniuk/flot,magora-suchkov/flot,k-joseph/flot,matong/flot,wet-boew/flot,kongx73/flot,stanislavdavid/flot,lolifans/flot,cipix2000/flot,saike/flot,MAMISHO/flot,cipix2000/flot,k-joseph/flot,TrainingPeaks/flot,k-joseph/flot,saike/flot,chaveiro/flot,cipix2000/engineering-flot,chaveiro/flot,colinhunt/flot,resnick1223/flot,petrvacha/flot,mlitwiniuk/flot