This PR enhance CPU kernel and add new CUDA kernel to make grid_sample support:

- align_corners: with bool type.
- padding mode: which can be in ['zeros', 'reflect', 'border']
- Interpolation mode: which ca be in ['bilinear', 'nearest']

The old CPU and CUDNN version only support align_corners=true, padding_mode='zeros' and interpolation_mode='bilinear'.

The behavior of the new version op in default mode is compatible with the old version.

* Remove self-set accuracy parameters of op tests
test=develop

* add cast
test=develop

* Remove self-set accuracy parameters of op tests:atol
test=develop

* lrn_ngraph_op
test=develop

* Keep smaller parameters
test=develop