修复了一些bug

package.json

@@ -13,7 +13,7 @@
     "animate.css": "^3.6.1",
     "blueimp-file-upload": "^9.22.0",
     "body-parser": "~1.13.2",
-    "bootstrap": "^3.3.7",
+    "bootstrap": "^3.4.0",
     "codemirror": "^5.39.0",
     "connect-ensure-login": "^0.1.1",
     "cookie-parser": "~1.3.5",
@@ -41,7 +41,7 @@
     "passport-local": "^1.0.0",
     "pug": "^2.0.3",
     "redis": "^2.4.2",
-    "scrollnav": "git+https://github.com/jimmynotjim/scrollNav.git",
+    "scrollnav": "git+https://github.com/jimmynotjim/scrollNav.git#v2.7.3",
     "semver": "^5.5.0",
     "serve-favicon": "~2.3.0",
     "shortid": "^2.2.4",