Minor HTML cleanup

app/views/layouts/application.html.haml

@@ -2,7 +2,7 @@
   %head
     %meta{charset: 'utf-8'}
     %meta{name: 'viewport', content: 'width=device-width, initial-scale=1'}
-    %title= content_for?(:title) ? yield(:title) : (ENV['OSEM_NAME'] || 'OSEM')
+    %title= content_for?(:title) ? strip_tags( yield(:title) ) : (ENV['OSEM_NAME'] || 'OSEM')
     %meta{content: 'Snap!Con -- A conference all about Snap!, a programing language from UC Berkeley.', name: 'description'}
     %meta{content: 'Michael Ball, Brian Harvey, Jens Moenig, Bernat Romagosa, Dan Garcia, Lauren Mock', name: 'author'}
     = stylesheet_link_tag "application", media: 'all'
@@ -26,7 +26,7 @@
     -# Admin area
     - if controller.class.name.split("::").first=="Admin"
       = render 'layouts/admin'
-    -else
+    - else
       #messages
         .container
           = render 'layouts/messages'