created euclidean distance recommendation algorithm, currently commented out
changed user similarity formula from cosine similarity to eucliden distance
Merge branch 'staging' of https://github.com/BeerWithMe/beer-finderWeb into staging
Merge branch 'staging' of https://github.com/BeerWithMe/beer-finderWeb into staging
Merge pull request #91 from myclamm/staging

Changed user similarity formula from cosine similarity to euclidean distance