Merge pull request #1 from paulyi326/dev

created deployment script
Merge pull request #2 from paulyi326/dev

able to retrieve from mongo lab instance hosted on azure
changed photoUrls property to imgurId
hooked up back and front end. added res.send in post to /yarns
took out get request in index
able to retrieve data from mongolab.
refactored so code runs in local or hosted environment