release: bump to 0.8.0rc1

Merge pull request Kong#1019 from Mashape/chore/serf

Improving the performance of Serf

docs(changelog) 0.7.x changelog

release: 0.7.0rc1

chore(rockspec) bump to 0.6.1

Removing print message

version bump

Adding user

Version bump

release: 0.5.4