get rid of jenkins hacks in h2o_import, that change /home/0xdiag/datasets/standard import folder to /home/0xdiag/datasets (I had put ln -s links, but I think import folder doesn't like those). in any case, the goal is to point /home/0xdiag/datasets/standard. I would think this means any multi-machine ec2 tests that import /home/0xdiag/datasets won't work till we fix their ami or we do a file when they get created.