requires them. Disable executable bits and shebang lines in test and
benchmark files in order to prevent using a random system python, and in
source files of modules which don't provide command line interface.
See svn.python.org/external/pybench-2.0 for the original import of that
version.
Note that platform.py was not copied over from pybench-2.0 since
it is already part of Python 2.5.