Use rebundled jython-shaded to avoid using uber jar with conflicting dependencies. Bump jython to the latest stable 2.7.0 release.
Use rebundled jython-shaded to avoid using uber jar with conflicting dependencies. Bump jython to the latest stable 2.7.0 release.

Signed-off-by: Yevgen Goliuk <0baf22f55560f2358705329e2b9bf74c4572e3e7@sysgears.com>

altavir/grain,altavir/grain