monocleus

This PR aims to fix two warnings: * ./src/include/generic_layer.hpp:64:111: error: type qualifiers ignored on cast result type [-Werror=ignored-qualifiers] * ./common/khronos_ocl_clhpp/cl2.hpp:2703:26: error: catching polymorphic type ‘class cl::Error’ by value [-Werror=catch-value=]