Night Mode + CSS Additions (#7929)

* Night Mode and More Hotkeys

* Nightmode CSS adjustments

* Removed Redundant Line

* Wrapped JSON.parse statements in a try catch block

server/views/account/settings.jade

@@ -3,6 +3,9 @@ block content
         h1.text-center Settings for your Account
         hr
         h2.text-center Actions
+        .row
+          .col-xs-12
+            a.btn.btn-lg.btn-block.btn-primary.btn-link-social(class = "nightMode-btn") Night Mode
         .row
           .col-xs-12
               if (!user.isGithubCool)

server/views/layout-wide.jade

@@ -8,7 +8,7 @@ html(lang='en')
           include partials/scripts
           block content
   else
-      body.no-top-and-bottom-margins.full-screen-body-background
+      body.no-top-and-bottom-margins
         include partials/scripts
         include partials/navbar
         include partials/flash