add bilinear_tensor_product layer

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Set serial for tensorrt utest and set unused logs invisible.

* Add int type support for stack_op

* Improve gather op to support index with shape N x 1

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* Fix stack_op kernel's registry

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Adding Intel nGraph build

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dist table support other optimize and regular config

reduce pass num of test_label_semantic_roles to avoid test timeout

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skip mkldnn related pass when use_mkldnn=false to speedup analysis

Add similarity focus op

* add lod tensor array concat

* add lod tensor array concat

* test=develop

* add lod tensor array concat
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* Fix API.spec
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* add lod tensor array concat
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* revise some bug of lod tensor array concat
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* add unittest for tensor array concat
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* change to tensor array to tensor
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* revise bug
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* revise a bug
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* revise a bug
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* revise a bug of python3
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* add_infer_var_type
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* InferVarTypeHelper-> VarTypeInferenceHelper
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* PassInputTypeAndDTypeOnOutput
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* follow comment
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fix #14344 : win compile error, EigenTenor * float unsupport. test=develop

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Change the origin VLOG level to 10 times

Change production mode Dockerfile to support python3

* exhaustive search for cuDNN conv.
* Refine code and add unit testing.
* Fix model load in fluid/inference and unit testing in conv2d
* Follow comments.
* Fix compiling test=develop

Add interpolate operator replace bilinear_interp_op and add nearest neighbor interp mode

Fea jitcode vscal vaddbias

added additional call to graph_viz_pass

fix test

Changed hardcoded format to any in convolution and bumped MKL-DNN version to 0.17rc

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