Just dump latest dist files from OCKS, with following change:
- Use symlinks for the config file and kabi files under dist/configs
and dist/kabi, point to the ones under package/, keep compatibility.
- Update VENDOR_CAPITALIZED, VENDOR, URL, and KDIST in dist/Makefile
- Clean up changelog.
Signed-off-by: Kairui Song <kasong@tencent.com>