Merge pull request #10 from fatchicken007/master

Add utility to calculate attributes from fitbit data
Adding update route for user
Merge pull request #11 from conorfennell/master

Adding update route for user
Corrected CORS headers and POST and PUT for User now working
Merge pull request #12 from conorfennell/cors

Corrected CORS headers and POST and PUT for User now working
Fix typo
Fix typo