Merge pull request #92 from lgeiger/bump

Bump prebuild@4.4.0

Author: rgbkrk

package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "nan": "^2.4.0",
-    "prebuild": "^4.2.2"
+    "prebuild": "^4.4.0"
   },
   "devDependencies": {
     "electron-mocha": "^3.1.1",