Release 0.4.0

**New Features**

  * New Colors theme
  * Display of CGM error codes
  * Uploader Battery display for the `cgm-pebble` watchface
  * Confidence interval cone
  * Care Portal [lab](http://www.nightscout.info/wiki/labs/cgm-remote-monitor-care-portal) (needs to be enabled) 
  * Pushover extension for the Care Portal [lab](http://www.nightscout.info/wiki/labs/pushover)

![2014-09-09 22 35 55](https://cloud.githubusercontent.com/assets/751143/4213078/37ae3c48-38ae-11e4-8b73-4a4b615262c3.png)

![2014-08-31 15 57 43](https://cloud.githubusercontent.com/assets/751143/4213095/7f4b2b10-38ae-11e4-91f1-39f33c3b94b8.png)