CHANGELOG: make up missing records
### Added
+- TLS etcd cluster feature for EtcdBackup
+- Log collector program for collecting logs in e2e test.
+
### Changed
- Default base image is changed to `gcr.io/etcd-development/etcd`, default etcd version is `3.2.10`.
+- Migrate dependency management tooling from glide to dep.
+- Containerize e2e test in a pod instead of running on raw jenkin slave.
### Removed
### Fixed
+- Ignore Terminating pods when polling etcd pods.
+
### Deprecated
### Security
+- All operator images by default uses user `etcd-operator` instead of root.
+
## [Release 0.7.0]
