Fix permissions on releases

Merge pull request #1165 from wzshiming/promote/0.6

Release 0.6

Merge pull request #1048 from wzshiming/release-0.5

Release v0.5.2

Merge pull request #970 from wzshiming/release-0.5

Release v0.5.1

Merge pull request #948 from wzshiming/promote/0.5

Release 0.5

Merge pull request #786 from wzshiming/promote/0.4

Release 0.4

Merge pull request #654 from wzshiming/promote/0.3

Release 0.3.0

Merge pull request #586 from wzshiming/automated-cherry-pick-of-#583-…

…upstream-release-0.2

Automated cherry pick of #583: Fix duplicate loading of default configuration

Merge pull request #522 from wzshiming/bump/core

Version 0.2.0

Merge pull request #479 from wzshiming/automated-cherry-pick-of-#475-…

…upstream-release-0.1

Automated cherry pick of #475: fix get port used