{
  "name": "ol3-cesium",
  "version": "0.0.1",
  "description": "OpenLayers 3 Cesium integration library",
  "scripts": {},
  "repository": {
    "type": "git",
    "url": "git://github.com/boundless/ol3-cesium.git"
  },
  "license": "BSD",
  "bugs": {
    "url": "https://github.com/boundless/ol3-cesium/issues"
  },
  "dependencies": {
    "async": "~0.2.10",
    "htmlparser2": "~3.7.1"
  },
  "devDependencies": {
    "closure-util": "0.19.0",
    "fs-extra": "~0.8.1",
    "graceful-fs": "~3.0.2",
    "jsdoc": "~3.3.0-alpha7",
    "jshint": "~2.5.1",
    "nomnom": "~1.6.2",
    "temp": "~0.7.0",
    "walk": "~2.3.3"
  }
}

{
  "name": "ol3-cesium",
  "version": "0.0.1",
  "description": "OpenLayers 3 Cesium integration library",
  "scripts": {},
  "repository": {
    "type": "git",
    "url": "git://github.com/openlayers/ol3-cesium.git"
  },
  "license": "BSD",
  "bugs": {
    "url": "https://github.com/openlayers/ol3-cesium/issues"
  },
  "dependencies": {
    "async": "~0.2.10",
    "htmlparser2": "~3.7.1"
  },
  "devDependencies": {
    "closure-util": "0.19.0",
    "fs-extra": "~0.8.1",
    "graceful-fs": "~3.0.2",
    "jsdoc": "~3.3.0-alpha7",
    "jshint": "~2.5.1",
    "nomnom": "~1.6.2",
    "temp": "~0.7.0",
    "walk": "~2.3.3"
  }
}

Change URL from boundless organization to openlayers organization
Change URL from boundless organization to openlayers organization

It seems the URL to boundless/ol3-cesium are outdated.