Remove fix_setuptools_chmod.py use hashbang instead.

Added hashbang line so python modules are run with python.
Also removed all Id lines from subversion.  Keyword expansion
is unnecessary.
Ignore scons temporary files.
Include tests with the package.

Work in progress to let git can track the rename.
Adjust unit tests code for new package name.

Also add support for testing with
python -m pyobjcryst.tests.run
Remove trailing whitespace.

No change in the code.
Use git tag name and data for version info.