(Jungle) Jax Runes and Masteries, thoughts?

http://mullinator.com/tools/runepage/1p0x91qbx91pRx91qQx3

http://www.mobafire.com/league-of-legends/mastery-tree-planner#&tree1=0-0-4-0-0-3-3-0-1-1-1-3-1-0-0-0-0-3-0-1&tree2=0-0-2-2-0-3-1-1-0-0-0-0-0-0-0-0-0-0-0&tree3=0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0&v=2

Thoughts? I don't normally have to fight anyone 1v1, so I don't need the early defenses on Jax, and instead decided I wanna build a lot of damage with my runes and masteries.