add links for events/conferences/submitters

app/models/user.rb

@@ -114,6 +114,17 @@ class User < ActiveRecord::Base
     proposals(conference).count
   end
 
+  # Returns user submissions (in any conference)
+  def submissions
+    submissions = Array.new
+    Conference.all.each do |c|
+      unless self.proposals(c).blank?
+        submissions << self.proposals(c)
+      end
+    end
+    submissions
+  end
+
   def biography_word_count
     if biography.nil?
       0