Graph & Singlestat: New axis/unit format selector and more units (kbytes, Joule,…

Graph & Singlestat: New axis/unit format selector and more units (kbytes, Joule, Watt, eV), and new design for graph axis & grid tab and single stat options tab views, #1331

CHANGELOG.md

 # 2.0.0 (unreleased)
 
+**New features**
+- [Issue #1331](https://github.com/grafana/grafana/issues/1331). Graph & Singlestat: New axis/unit format selector and more units (kbytes, Joule, Watt, eV), and new design for graph axis & grid tab and single stat options tab views
+
 **Enhancements**
 - [Issue #1297](https://github.com/grafana/grafana/issues/1297). Graphite: Added cumulative and minimumBelow graphite functions
 - [Issue #1296](https://github.com/grafana/grafana/issues/1296). InfluxDB: Auto escape column names with special characters. Thanks @steven-aerts