GitLab

* [cherry-pick] Fix some typos from release/2.4 branch and merge.

* rm readme_en.md in deploy/cpp_infer/.

* Fix others typos.

Support multipoint labeling

[New feature]: label box can rotate by using short cut 'x' or 'c', but only support rotate one box at the same time

FIXED: process rotateImgAction after autoRecognition without any click on file list will raise A ERROR : array out of index