Update CHANGELOG.md

Merge pull request influxdata#1708 from influxdb/seed-raft-log

Seed the random Int63 generator.

Merge pull request influxdata#1565 from influxdb/admin-interface

Update admin interface for v0.9.0

Update CHANGELOG for v0.8.8

Update CHANGELOG for v0.8.6

Update CHANGELOG for v0.8.6

preparing for a release

don't try to create another source package

Oops forgot merge with regex and credits for the pr in the changelog

Fix a test that was broken by @pauldix