beta 0.2.0.2

beta 0.2.0.2

• CPU
  • add padding support
  • fix bug in permute when channel % 4 != 0
  • fix bug in exp with extreme value
• OpenCL
  • add protecting logics
• OpenGL
  • add protecting logics
  • support NCHW format in Squeeze and Reshape
• Converter
  • add ShuffleChannel support for Caffe
  • add Clip/Transpose/Unary/Pad supports for ONNX