First steps towards nicer matrix device functions.
Implemented simplified usage of matrix as additional argument.
Fixed minor bugs.
Fixed a minor bug.
Disabled one test currently failing with the NVIDIA OpenCL implementation.
Fixed minor bug in the test cases.
Added skelcl_get_device_id() function.
Made skelcl_get_device_id() work.
Added simplified usage of matrix type to zip and reduce skeletons.