add needed link library for linux
[ci skip]update config.json
Merge pull request #8849 from samuele3hu/v3_new_spine

Fix some bugs reported in the test
[ci skip]update config.json
[ci skip]update README.md
Merge pull request #8842 from joshuastray/v3

add needed link library for linux
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_new_spine