fixed typo in direction mapping; won't matter when cgm-pebble:feature/direction-sync gets merged
Merge pull request #24 from nightscout/feature/dir-typo

fixed typo in direction mapping
Merge pull request #26 from brianhanifin/express-cache

Express migration + website caching - merge fantastic work from @brianhanifin
Merge pull request #8 from nightscout/master

Nightscout Master: July 1st Release