Support a top level VERSION file that defines an RTEMS release.
Fix the install of the python modules including thertems-test.
Update the git python module to the RSB version. Fix the options to
not call clean and to call dirty.
Update the version python module.
Fix the rtld C++ support to the VERSION file and the top level waf
script.
. parameter is a glob
. default is *.exe as it was
. it is a convenient way to select a particular test to run over and
over again while debugging it, without laboriously manipulating the
.exe's that are present (i.e. moving/deleting them)
