Added Capability to get images and images with details

        new file:   examples/30-image-v1.go
        modified:   examples/config.json.dist
        modified:   examples/setup.go
        modified:   identity/v2/auth.go
        new file:   image/v1/image.go
        new file:   image/v1/image_test.go
        new file:   misc/rfc8601DateTime.go
        new file:   misc/rfc8601DateTime_test.go
        modified:   misc/util.go
        modified:   misc/util_test.go
        modified:   objectstorage/v1/objectstorage.go
        modified:   objectstorage/v1/objectstorage_test.go
        new file:   testUtil/testUtil.go

Partially implements blueprint image-v1

Change-Id: I6277a5c8915f45f4b7585855d836015ffd9e1c12