compile the copyright regex
make lint check for 'Copyright [year] BVLC and contributors.'
Rename caffe_hamming_distance into caffe_cpu_hamming_distance
Implement and test gpu hamming distance
Merge pull request #271 from jeffdonahue/lint-bvlc-copyright

lint check for BVLC Copyright
Merge pull request #272 from kloudkl/gpu_hamming_distance

Implement GPU Hamming distance math function
Use CUDA_KERNEL_LOOP in the macro DEFINE_AND_INSTANTIATE_GPU_UNARY_FUNC
Merge pull request #275 from kloudkl/fix_kernel_for_loop_in_macro

Fix kernel for loop in macro