CLOUDSRV-2312: SDKs need to pass oauth key as parameter 'oauth_consumer_key'

https://jira.appcelerator.org/browse/CLOUDSRV-2312
added additional oauth_consumer_key besides client_id for haproxy use
Merge pull request #14 from ypjin/master

CLOUDSRV-2312: SDKs need to pass oauth key as parameter 'oauth_consumer_key'