Include note about compatibility with 2.x.
Include note about compatibility with 2.x.

evgenypoyarkov/bodybuilder,npatmaja/bodybuilder,danpaz/bodybuilder,arielshad/bodybuilder,node-packages/bodybuilder,ShareIQ/bodybuilder,danpaz/bodybuilder,npatmaja/bodybuilder,evgenypoyarkov/bodybuilder,arielshad/bodybuilder,node-packages/bodybuilder,danpaz/bodybuilder,ShareIQ/bodybuilder