Updated version to 1.9.1

CHANGELOG.md

-# 1.9.1 (unreleased)
+# 1.9.1 (2014-12-29)
 
 **Enhancements**
 - [Issue #1028](https://github.com/grafana/grafana/issues/1028). Graph: New legend option ``hideEmtpy`` to hide series with only null values from legend

package.json

@@ -4,7 +4,7 @@
     "company": "Coding Instinct AB"
   },
   "name": "grafana",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "repository": {
     "type": "git",
     "url": "http://github.com/torkelo/grafana.git"