Bump junit runner and jar tool versions to newly published
Review Request #3477 - Created Feb. 18, 2016 and submitted
|benjyw, patricklaw, stuhood, zundel|
New versions of junit runner and jar tool was released: https://github.com/pantsbuild/pants/commit/301853fd0b4f3d988af341447544ffc4263d17c6 and https://github.com/pantsbuild/pants/commit/78d677b0807827951ac11e6340c200a3706608f7.
In this RB I've updated python code for this tools.