chore(release): version 0.6.4

CHANGELOG.md

@@ -1,10 +1,23 @@
 # Changes
 
+## [0.6.4](https://github.com/SwissDataScienceCenter/renku-ui/issues?utf8=%E2%9C%93&q=is%3Aclosed+milestone%3A0.6.4) (released 2019-08-28)
+
+### Features
+
+* **notebooks:** Check Docker image status before starting a new interactive environment ([#495](https://github.com/SwissDataScienceCenter/renku-ui/issues/495), [#575](https://github.com/SwissDataScienceCenter/renku-ui/pull/575))
+* **notebooks:** Help users without sufficient permission starting an interactive enviroment ([#565](https://github.com/SwissDataScienceCenter/renku-ui/issues/565), [#578](https://github.com/SwissDataScienceCenter/renku-ui/pull/578))
+* **notebooks:** Commit time is now local timezone aware ([#571](https://github.com/SwissDataScienceCenter/renku-ui/issues/571), [#577](https://github.com/SwissDataScienceCenter/renku-ui/pull/577))
+
+### Bug Fixes
+
+* **notebooks:** Allow user to set interactive environments GPU's number (available only for specific deployments) ([#574](https://github.com/SwissDataScienceCenter/renku-ui/issues/574), [#576](https://github.com/SwissDataScienceCenter/renku-ui/pull/576))
+
+
 ## [0.6.3](https://github.com/SwissDataScienceCenter/renku-ui/issues?utf8=✓&q=is%3Aclosed+milestone%3A0.6.3) (released 2019-08-20)
 
 ### Features
-* **lineage** Style data and code differently in lineage view ([#553](https://github.com/SwissDataScienceCenter/renku-ui/pull/553))
-* **templates** The repo and ref for the base templates is now configurable ([#561](https://github.com/SwissDataScienceCenter/renku-ui/issues/561), [#566](https://github.com/SwissDataScienceCenter/renku-ui/pull/566))
+* **lineage:** Style data and code differently in lineage view ([#553](https://github.com/SwissDataScienceCenter/renku-ui/pull/553))
+* **templates:** The repo and ref for the base templates is now configurable ([#561](https://github.com/SwissDataScienceCenter/renku-ui/issues/561), [#566](https://github.com/SwissDataScienceCenter/renku-ui/pull/566))
 
 
 ### Bug Fixes