Update dependencies.

about.php

@@ -15,7 +15,6 @@ $ThemeInfo['bootstrap'] = array(
     'Styles' => array(
       'Default'   => '%s_default',
       'Bootstrap' => '%s_bootstrap',
-      'Amelia'    => '%s_amelia',
       'Cerulean'  => '%s_cerulean',
       'Cosmo'     => '%s_cosmo',
       'Cyborg'    => '%s_cyborg',

bower.json

@@ -18,11 +18,11 @@
     "less/themes"
   ],
   "dependencies": {
-    "bootstrap": "3.2.0",
-    "bootstrap-social": "4.7.0",
-    "bootswatch": "3.2.0+3",
+    "bootstrap": "3.3.1",
+    "bootstrap-social": "4.8.0",
+    "bootswatch": "3.3.1+2",
     "font-awesome": "4.2.0",
-    "spin.js": "2.0.1",
+    "spin.js": "2.0.2",
     "jquery-icheck": "2.x"
   },
   "overrides": {