Forward args to .jenkins/build.sh to cmake
Forward args to .jenkins/build.sh to cmake

Summary:
So we can do things like pass -DCMAKE_BUILD_TYPE=DEBUG
Closes https://github.com/caffe2/caffe2/pull/1474

Differential Revision: D6334701

Pulled By: pietern

fbshipit-source-id: 08e6e48ba453ffca50ad0949ee7b0bf7251a542f

davinwang/caffe2,Yangqing/caffe2,pietern/caffe2,sf-wind/caffe2,pietern/caffe2,Yangqing/caffe2,sf-wind/caffe2,davinwang/caffe2,sf-wind/caffe2,davinwang/caffe2,caffe2/caffe2,pietern/caffe2,sf-wind/caffe2,Yangqing/caffe2,Yangqing/caffe2,pietern/caffe2,xzturn/caffe2,pietern/caffe2,Yangqing/caffe2,xzturn/caffe2,davinwang/caffe2,xzturn/caffe2,xzturn/caffe2,xzturn/caffe2,davinwang/caffe2,sf-wind/caffe2