Update dependencies

package.json

@@ -23,23 +23,23 @@
   "license": "MIT",
   "homepage": "https://github.com/Orbs/jspm-git",
   "dependencies": {
-    "mkdirp": "^0.5.0",  
+    "mkdirp": "^0.5.1",  
     "ncp": "^2.0",
     "rimraf": "^2.5.2",
     "rsvp": "^3.2.1",
     "semver": "^5.1.0",
     "temp": "^0.8.3",
-    "url-join": "^0.0.1",
+    "url-join": "^1.1.0",
     "valid-url": "^1.0.9",
-    "which": "^1.2.4"
+    "which": "^1.2.10"
   },
   "devDependencies": {
     "chai": "^3.5.0",
     "gulp": "^3.9.1",
-    "gulp-istanbul": "^0.10.3",
-    "gulp-jshint": "^2.0.0",
+    "gulp-istanbul": "^1.0.0",
+    "gulp-jshint": "^2.0.1",
     "gulp-mocha": "^2.2.0",
     "gulp-rimraf": "^0.2.0",
-    "jshint": "^2.9.1"
+    "jshint": "^2.9.2"
   }
 }