bump package version
add some basic metadata about the software to env

Export useful information about software's version and name in the environment
object created by the `env` module.
Add version info to rest API

The version and app info is reported in the status endpoint now.
Also, this "phrasing" seems to fix a small bug in the path routing.
Fix bug in paths handling

Believe this will work just like @jasoncalabrese's project-glu now.
Merge branch 'rebase/settings' of github.com:nightscout/cgm-remote-monitor into rebase/settings