Benchmark output change for scritp processing
Client python script for benchmark post-processing
move CTEST_CUSTOM_POST_TEST to CTestConfig.cmake, change benchLauncher.py to be executable and to compute the path relative to itself to call its children processes
fix benchmark post-processing to use tabulations rather than whitespace as separators. Also add support for CTEST_FULL_OUTPUT to avoid incomplete outputs for benchmarks.
Merge pull request #431 from MetaScale/bench_support

Bench support