Updating modules (npm update), adding package-lock.json

package.json

@@ -22,7 +22,7 @@
   "homepage": "http://www.westeroscraft.com/",
   "dependencies": {
     "adm-zip": "^0.4.7",
-    "async": "^2.5.0",
+    "async": "^2.6.0",
     "ejs": "^2.5.7",
     "ejs-electron": "^2.0.1",
     "find-java-home": "^0.2.0",
@@ -31,7 +31,7 @@
     "uuid": "^3.1.0"
   },
   "devDependencies": {
-    "electron": "^1.7.5",
-    "electron-packager": "^9.0.0"
+    "electron": "^1.7.9",
+    "electron-packager": "^9.1.0"
   }
 }