Merge pull request #54 from BorisVerk/master

added url to returned recommendation
adds unique identifier to the user db and returns it on POST request
created test for create_new_user function
added unit test, refactored & return type is dictionary with key cookie
Merge pull request #55 from neillobo/feature/identification

Feature/identification
fix for cross_origin on api/v2/user
Merge pull request #56 from neillobo/hotfix/crossOrigin

fix for cross_origin on api/v2/user
access header for private-token using crossdomain decorator
Merge pull request #57 from neillobo/feature/readHeaderIdentifier

access header for private-token using crossdomain decorator
fix for cors and header
Merge pull request #58 from neillobo/hotfix/crossOrigin

fix for cors and header
hotfix for POST request
Merge pull request #59 from neillobo/hotfix/crossOrigin

hotfix for POST request
fixed cors header
Merge pull request #60 from dhfromkorea/master

change cors