fix linux cpp and lua template
fix cocos2d root
Merge pull request #9311 from andyque/fixLinuxTemplate

fix linux cpp and lua template
update releaseNotes
update runtime template
Merge pull request #9312 from dabingnn/v3_3rc1

update releaseNotes
Merge pull request #9314 from cocoscodeide/runtime

update runtime template
udpate changeLog
Merge pull request #9315 from dabingnn/v3_3rc1

udpate changeLog
Merge branch 'v3' of github.com:cocos2d/cocos2d-x into v3