* fix trt fc fuse test, test=develop

* fix trt_transpose_flatten_concat shape, test=develop

* API(argsort, argmax, argmin, cast, diag) error message enhancement, test=develop

* Add three passes and api reference of paddle_pass_builder.h

* add attr support for fusion group and add support for fill_constant and scale Op

update embedding_eltwise_layernorm fuse pass and fused kernel, to support multi input

* add transpose_flatten_concat_fuse_pass tests for gpu and trt, test=develop

* update test_inference_api.py, test=develop

* add fusion group test for backward and refine code

* add support for expression type convert and add cast Op support in fusion group

* add skip_layernorm pass. test=develop

* 1. add embedding eltwise layernorm fuse
2. add embedding eltwise layernorm op
3. refine inplace_add_relu
4. refine fc_eltwise_layernorm
test=develop

* 1. refine fc
test=develop

* fix comments
test=develop

* fix comments

test=develop

* Add the codegen and auto fusion for sum Op  in fusion group

* add fuse_group python unintest

* add InterencePassTest for testing precision of inference passes, test=develop

* Implement a common python unittest to test the ir passes.
test=develop

* Save the results in np.array and support to startup on CPU.
test=develop

* Fix the unittest.
test=develop

* Add check_program to check whether the optimized program is different from the origin one.
test=develop

* Remove the inferface all_ops.
test=develop

* Add exception test in pass_test.
test=develop