Dependency version bumps

package.json

@@ -61,18 +61,18 @@
     "bluebird": "^3.4.1",
     "color": "^0.11.3",
     "nan": "^2.4.0",
-    "semver": "^5.2.0",
+    "semver": "^5.3.0",
     "request": "^2.74.0",
     "tar": "^2.2.1"
   },
   "devDependencies": {
     "async": "^2.0.1",
     "bufferutil": "^1.2.1",
-    "coveralls": "^2.11.9",
-    "exif-reader": "^1.0.0",
+    "coveralls": "^2.11.12",
+    "exif-reader": "^1.0.1",
     "icc": "^0.0.2",
     "istanbul": "^0.4.4",
-    "mocha": "^2.5.3",
+    "mocha": "^3.0.0",
     "mocha-jshint": "^2.3.1",
     "node-cpplint": "^0.4.0",
     "rimraf": "^2.5.4",