Retrieved associated endpoints with given token

Handling Identity endpoint-list using specified token #58
According to Identity API Specification [1], endpoints should be returned with following request:
GET v2.0/tokens/{tokenId}/endpoints
[1]http://api.openstack.org/api-ref-identity.html#identity-v2
Merge pull request #78 from anil-kumbhar/token-get-endpoints

Retrieved associated endpoints with given token
Addresses \#6: Swift location import supported

When Swift direct-url with account name, container and object name is
given that is used to import image template using
SoftLayer_Virtual_Guest_Block_Device_Template_Group service.
Removed duplication among schema by reusing `member` and `image` schema inside `memebers` and `images`