Google Drive with Liferay repository

Extending Liferay document& media to support Google Drive as repository.

Steps for integration :

1) Generate Client Id and secret code from https://console.developers.google.com/project
and redirect URL must be preceding by /c/document_library/google_api_access?cmd=token
2) Use this authentication credential in Control Panel ->Portal Setting --> Authentication --> google
3) Go to Cignex-Datamatics (organization) --> Control Panel → Content → Document and Media -->Add Repository.
* Create a repository named "mydrive"
* Select Repository Type as "Google Repository"

** Inside Google-Drive, it will create a mydrive folder under "Cignex-Datamatics", name of the organization.