PMM-3513: Release v0.6.3

Author: Anton Kucherov

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.6.3] - 2019-02-13
 ### Added
 - PMM-3401: Added collection of TTL metrics
 - Added some new metrics:
@@ -95,7 +97,8 @@ with source code locations.
 ### Added
 - First tagged version.
 
-[Unreleased]: https://github.com/percona/mongodb_exporter/compare/v0.6.2...HEAD
+[Unreleased]: https://github.com/percona/mongodb_exporter/compare/v0.6.3...HEAD
+[0.6.3]: https://github.com/percona/mongodb_exporter/compare/v0.6.2...v0.6.3
 [0.6.2]: https://github.com/percona/mongodb_exporter/compare/v0.6.1...v0.6.2
 [0.6.1]: https://github.com/percona/mongodb_exporter/compare/v0.6.0...v0.6.1
 [0.6.0]: https://github.com/percona/mongodb_exporter/compare/v0.5.0...v0.6.0

VERSION

@@ -1 +1 @@
-0.6.2
+0.6.3