Update kernel_config
Update kernel_config

CONFIG_NR_CPUS=8 this should be increased to atleat 64 or 32 to increase the cpu-count in the the boot2docker.
qxo/boot2docker,qxo/boot2docker,boot2docker/boot2docker,SvenDowideit/boot2docker,whuwxl/boot2docker,power-dev-env/boot2docker,whuwxl/boot2docker,SvenDowideit/boot2docker,power-dev-env/boot2docker,tianon/boot2docker-legacy