NPM_VERSIONS = {
    "bower": "1.8.2",
    "crisper": "2.0.2",
    "polymer-bundler": "4.0.2",
}

NPM_SHA1S = {
    "bower": "adf53529c8d4af02ef24fb8d5341c1419d33e2f7",
    "crisper": "7183c58cea33632fb036c91cefd1b43e390d22a2",
    "polymer-bundler": "6b296b6099ab5a0e93ca914cbe93e753f2395910",
}