2013-09-13  Diego Pinheiro  <diego.qp@samsung.com>

        New Layout Test to Renderbuffer Interoperability
        Issue #92

        Reviewed by Afonso Costa.

        Create a Layout Test to test WebCL<->WebGL
        interoperability with Renderbuffers. Then, It
        uses a Renderbuffer as color buffer attached
        to a frame buffer.

        * webcl/tests/webcl-test-interop-renderbuffer-expected.txt: Added.
        * webcl/tests/webcl-test-interop-renderbuffer.html: Added.