Added dumper.py for standalone tick dumps.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
(cherry picked from commit e90a6f753e034c7ff466ac305e055db73cc6cbcb)
dumper.py: Cleaned up.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
(cherry picked from commit b2a57a946c67a678bc7a3d1cde35eb7cf4647068)
Changed alternative dump url to mine, now that I have one.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
(cherry picked from commit 5462a4e373f88f69d9c564c86824ddac135b3e72)