Progress on little important things

removing .mov for now until we can figure out solution with videojs, added model to track username changes, got chat creation flow down, progress on bookmark collections, albums, filtering blocks/mutes from group, explore, collection timelines

app/controllers/empty_controller.rb

@@ -36,6 +36,13 @@ class EmptyController < ActionController::Base
 
   protected
 
+  def set_pagination_headers(next_path = nil, prev_path = nil)
+    links = []
+    links << [next_path, [%w(rel next)]] if next_path
+    links << [prev_path, [%w(rel prev)]] if prev_path
+    response.headers['Link'] = LinkHeader.new(links) unless links.empty?
+  end
+  
   def current_user
     nil
   end