Updated readme with info about ContractR.
Updated readme with info about ContractR.

robovm/robovm-samples,robovm/robovm-samples,yinkaf/robovm-samples,samskivert/robovm-samples,robovm/robovm-samples,samskivert/robovm-samples,robovm/robovm-samples,samskivert/robovm-samples,yinkaf/robovm-samples,samskivert/robovm-samples,robovm/robovm-samples,yinkaf/robovm-samples,samskivert/robovm-samples,yinkaf/robovm-samples,robovm/robovm-samples,samskivert/robovm-samples,samskivert/robovm-samples,yinkaf/robovm-samples,yinkaf/robovm-samples,yinkaf/robovm-samples,samskivert/robovm-samples