include wincredmgr for Windows

app/package.json

@@ -29,9 +29,12 @@
     "mz": "^2.6.0",
     "path": "0.12.7",
     "rxjs": "5.3.0",
-    "xkeychain": "0.0.6",
     "zone.js": "0.8.12"
   },
+  "optionalDependencies": {
+    "wincredmgr": "^2.0.0",
+    "xkeychain": "^0.0.6"
+  },
   "devDependencies": {
     "@types/mz": "0.0.31"
   }

app/yarn.lock

@@ -268,6 +268,14 @@ util@^0.10.3:
   dependencies:
     inherits "2.0.1"
 
+wincredmgr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/wincredmgr/-/wincredmgr-2.0.0.tgz#cab8e3c6d98f0ea255d7638e82fd9f393ca7f515"
+
+xkeychain@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/xkeychain/-/xkeychain-0.0.6.tgz#1c58b3dd2f80481f8f67949c3511aa14027c2b9b"
+
 zone.js@0.8.12:
   version "0.8.12"
   resolved "https://registry.yarnpkg.com/zone.js/-/zone.js-0.8.12.tgz#86ff5053c98aec291a0bf4bbac501d694a05cfbb"

package.json

@@ -15,6 +15,7 @@
     "electron-rebuild": "1.5.11",
     "file-loader": "0.9.0",
     "font-awesome": "4.7.0",
+    "graceful-fs": "^4.1.11",
     "html-loader": "0.4.4",
     "json-loader": "0.5.4",
     "less": "2.7.1",
@@ -53,7 +54,9 @@
     ],
     "win": {
       "icon": "./build/windows/icon.ico",
-      "publish": ["github"]
+      "publish": [
+        "github"
+      ]
     },
     "squirrelWindows": {
       "iconUrl": "https://github.com/Eugeny/terminus/raw/master/build/windows/icon.ico",
@@ -63,7 +66,9 @@
       "category": "public.app-category.video",
       "icon": "./build/mac/icon.icns",
       "identity": null,
-      "publish": ["github"]
+      "publish": [
+        "github"
+      ]
     },
     "dmg": {
       "artifactName": "terminus-${version}-${os}-${arch}.dmg"
@@ -71,7 +76,9 @@
     "linux": {
       "category": "Utilities",
       "icon": "./build/icons",
-      "publish": ["github"]
+      "publish": [
+        "github"
+      ]
     },
     "deb": {
       "depends": [