Install pip once per job

Change-Id: I6fa1483f3e4bfd7bbfe60de88c8850f8d66ca377
Better binary localization

Change-Id: Idfb20fba588262ca959202f0e3f458f9af2c583b
tag v0r0p22

Change-Id: I23a89568b458d3a6df45a8b1ac90020556428c3c