Merge pull request #1 from ATAT/api_update

Simplified get_deployments method

Corrects WML API calls after update

Restored ML Local tests since they are working

Rearranged classes into files

MachineLearning::Local get_score working

MachineLearning::Local token fetch working

Added require 'net/http'

Changed get_model to use deployment_is as input

Added get_model given input deployment info

Added get_deployments method to Watson MachineLearning

Added get_score method to Watson MachineLearning

Updated gemspec

Working z/OS token fetch

Added token fetch with spec