adding changes; inc version
adding changes; inc version

bitemyapp/ggplot,Cophy08/ggplot,eco32i/ggplot,assad2012/ggplot,smblance/ggplot,mizzao/ggplot,ricket1978/ggplot,mizzao/ggplot,benslice/ggplot,wllmtrng/ggplot,xguse/ggplot,ricket1978/ggplot,andnovar/ggplot,kmather73/ggplot,benslice/ggplot,hadley/ggplot,udacity/ggplot,xguse/ggplot