Update dependency on JavaCPP to just released version 1.2.1
Update dependency on JavaCPP to just released version 1.2.1

ambraspace/nd4j,smarthi/nd4j,ambraspace/nd4j,huitseeker/nd4j,deeplearning4j/nd4j,gagatust/nd4j,smarthi/nd4j,huitseeker/nd4j,gagatust/nd4j,deeplearning4j/nd4j