added primus as static file

views/layout.jade

@@ -13,8 +13,8 @@ html(ng-app="netStatsApp")
   body
     block content
 
+    script(src="/js/lib/bootstrap.min.js")
     script(src="/js/lib/angular.min.js")
-    script(src="/primus/primus.js")
     script(src="/js/lib/lodash.min.js")
     script(src="/js/lib/jquery.min.js")
     script(src="/js/lib/d3.v3.min.js")
@@ -25,8 +25,8 @@ html(ng-app="netStatsApp")
     script(src="/js/lib/jquery.sparkline.min.js")
     script(src="/js/lib/locale/en-gb.js")
     script(src="/js/lib/angular-moment.min.js")
-    script(src="/js/lib/bootstrap.min.js")
     script(src="/js/lib/d3.tip.v0.6.3.js")
+    script(src="/js/lib/primus.min.js")
     script(src="/js/app.js")
     script(src="/js/services.js")
     script(src="/js/controllers.js")