Passing the memcached auth to cbdatasource

[nimishzynga]

Change-Id: Id8541e0a1b8559c5c141e595bb629e4f66e964c5

[cb-sdk-robot]

Thanks for the pull request!! To ensure quality review, Couchbase employs a code review system based on Gerrit to manage the workflow of changes in addition to tracking our contributor agreements.

Your changes (commit: 253c89c) have been pushed to the Couchbase Review Site:
http://review.couchbase.org/70006

::SDKBOT/PR:created

[cb-sdk-robot]

To get this change in and collaborate in code review, please register on Gerrit and accept our CLA. The easiest way to do this is to follow the link below, sign in with your GitHub account and then follow through the steps provided on that page to sign an 'Individual' agreement: http://review.couchbase.org/#/settings/new-agreement.

Note: Please contact us if you have any issues registering with Gerrit! If you have not signed our CLA within 7 days, the Pull Request will be automatically closed.

::SDKBOT/PR:no_cla