GitLab

* add building bricks of cnn

* add unit tests

* use registry for building bricks

* minor updates

* add scale layer

* add test for scale

* add doc string
Co-authored-by: Jiarui XU <xvjiarui0826@gmail.com>

* support specifying names for registry.register_module()

* minor fix

* add more unittests

* add contains to registry
Signed-off-by: lixuanyi <lixuanyi@sensetime.com>

* add contains to registry

* 'fix'

* 'minor'

* move
Signed-off-by: lixuanyi <lixuanyi@sensetime.com>
Co-authored-by: lixuanyi <lixuanyi@sensetime.com>

* add registry and build_from_cfg

* add some corner cases

* add some corner cases

* fix the unittest for python 3.5

* minor fix