* move semantic checks to op_teller

* more ops

* more ops

* revert block related change

* part1

* revert activation

* remove if

* remove const_cast

* reslove conflict

* remove const_cast

* delete useless var

* replace vlog(1) with vlog(3), replace assert with PADDLE_ENFORCE

* down to 19 files

* nearest_interp op converter w/ dynamic/static

* fix data_layout include

* add trt nearest unit_test

* add nearest_interp NHWC test

* update trt nearest interp nhwc testcase

* remove asterisk for python2 compatibility

* add empty line to prevent conflict

* nearest_interp op converter w/ dynamic/static

* fix data_layout include

* add trt nearest unit_test

* add nearest_interp NHWC test

* update trt nearest interp nhwc testcase

* remove asterisk for python2 compatibility

* add empty line to prevent conflict

* change the priority of out_h, out_w