using container instead of container fluid for the stream, we can manage this

better when migrating to Bootstrap 3

using container instead of container fluid for the stream, we can manage this
ba9bb619 · Pablo Cuadrado · Steffen van Bergerem · 84739a86 · ba9bb619
--- a/app/views/streams/main_stream.html.haml
+++ b/app/views/streams/main_stream.html.haml
@@ -21,8 +21,8 @@
        %h3
          = t('aspects.index.introduce_yourself')

-.container-fluid
-  .row-fluid
+.container
+  .row
    .span3#leftNavBar
      #home_user_badge
        = owner_image_link