v1.1.2

This release is a hot fix for pip installation problem described in #189.

91740b7 include VERSION_NUMBER, ONNX_VERSION_NUMBER in pypi distribution (#189)
cd3768e Add SpaceToDepth in frontend (#183)
02f5001 Handle dim_size==0 in reshape's shape param (#187)
3e63cdc remove maxpool v7 (#182)
2695db6 Support count include pad of pool ops (#172)
3a4deb9 use native pool as much as possible (#171)