Added tests for the python module.

Check the ability to import the module, and the functionality of hashedelf.

    * configure: Regenerated
    * configure.ac: Generate additional python tests
    * testsuite/Makefile.am: Generate additional python tests
    * testsuite/Makefile.in: Regenerated
    * testsuite/python.tests/Makefile.am: Distribute python test files
    * testsuite/python.tests/Makefile.in: Regenerated
    * testsuite/python.tests/hash.py: Display the hash of an elf file
    * testsuite/python.tests/test-python.exp: Tests for importing and
        hashedelf
    * testsuite/python.tests/test.elf: Test elf file, copied from
        mageec.tests
    * testsuite/python.tests/test.py: Display the return code from
        hashedelf.hash