CMake TCE: move tests to add_tests_pocl(), add regressions to tce label

and also mark the two tests in tce/fp16 WILL_FAIL.

CMake TCE: move tests to add_tests_pocl(), add regressions to tce label

and also mark the two tests in tce/fp16 WILL_FAIL.

Mark two passes on ARM (ubuntu 12.04, cortex-a9) with AMD SDK 2.8.

Fix passing of "command line" arguments to the clanglibs.

Fixes issue pocl#53.

Update list of files that go to the distribution.