Merge pull request !104 from 万万没想到/fix-doc-issues

Merge pull request !113 from 万万没想到/modify_comments

Merge pull request !136 from wanghua/master

Merge pull request !54 from ghzl/initializer-change-_Constant-to-Constant

Merge pull request !86 from ghzl/improve-function-and-comment-in-op-print

Merge pull request !129 from wanghua/master

Merge pull request !124 from yankai10/add_support_for_bool

Merge pull request !131 from leonwanghui/dockerfile

Merge pull request !116 from zjun/master

Signed-off-by: Nleonwanghui <leon.wanghui@huawei.com>

Merge pull request !115 from yangzhenzhang/expand-dim

Merge pull request !106 from amongo/SupportPythonOperators

Merge pull request !127 from wangqiuliang/fix-ge-me-compile

Merge pull request !123 from changzherui/modify_runtest_python_ut

Merge pull request !22 from xiefangqi/remove_st_useless_import

Merge pull request !107 from zhaoting/add-YOLOv3-infer-scipt-and-change-dataset-to-MindRecord

Merge pull request !98 from ghzl/ge-exec-EnableDump-change-to-str

Merge pull request !117 from jjfeing/master

Merge pull request !114 from 万万没想到/merge_from_r0.1

Merge pull request !109 from leonwanghui/typo-fix

fix pylint

use scalar_lt primitive directly

fix review

Merge pull request !85 from YuJianfeng/master

Merge pull request !94 from yanzhenxiang2020/fix_mindrecord_ut_long_time

Merge pull request !110 from pengyanjun/fix_dataset_parameter_check_problem

Merge pull request !108 from ms_yan/feed_mode