Added leaky relu layer
More namespace cleaning.
remove 2 using per jeff's comment
fixing std::min and std::max and std::abs: using them in default will make nvcc unhappy.
lint
Merged LRELU functionality into RELU, added unit test
fixed lint complaints
Added leaky relu layer
fixed caffe.proto comments for LRELU
fixing std::min and std::max and std::abs: using them in default will make nvcc unhappy.
Merged LRELU functionality into RELU, added unit test
Merge branch 'lrelu_layer' of github.com:qipeng/caffe into lrelu_layer