Merge pull request #137 from youny626/0.5.1

Add Ubuntu version specific cache

Former-commit-id: c5d1150ac392f7d344f1520b2a01a01cbd0e0335

CHANGELOG.md

@@ -5,6 +5,7 @@ Please mark all change in change log and use the ticket from JIRA.
 # Milvus 0.5.1 (TODO)
 
 ## Bug
+- \#134 - JFrog cache error
 
 ## Feature
 - \#90 - The server start error messages could be improved to enhance user experience