report() to print to stdout, the piped output will be written to result file by the framework. This is to help see the data in terminal when running a compiled program outside of the framework.

fix: get results from tasks that actually succeeded; added draft of allocation performance measurement; added RPython quicksort measurement

update Mu language module, asserting the definition of MU_(IMPL), and removing the need to specify exec in runner for Holstein

enforce the definition of MU_(IMPL) environment variable, and remove the need to define runner exec for Holstein

problem with extraLib option fixed in PyPy, no need to specify that again here; example config file, everything runs (including Zebu, which runs after specifying ZEBU_BUILD)

passing run_dir using environment variable; add flag to RPython to control where libpypy_mu_support.dylib is to be placed