Python-nightscout

Changing license to AGPL, no code changes

FEATURES
- show exact git version in drawer

FIXES
- fix for the /pebble endpoint to support some older version of the watchface

**New Features**
- Optional 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)

[Read more >](https://github.com/nightscout/cgm-remote-monitor/wiki/0.4.0-Release-Notes)

- BG numbers older than 20 minute will now have a line through them.

- Gracefully fails when cookies are disabled so the data can be loaded on the page.
- Attempt to bust the cache causing problems for some people who were using the previous site with an overly aggressive caching methodology.