display a basic message for when nothing was searched for

app/views/people/index.html.haml

@@ -4,6 +4,9 @@
 
 .span-15.prepend-5.last
   %h2
+    -if params[:q].blank?
+      =t('.no_results')
+    -else
       =t('.results_for')
       %u= params[:q]
 

config/locales/diaspora/en.yml

@@ -308,6 +308,7 @@ en:
           add_contact: "add contact"
       index:
           results_for: "search results for"
+          no_results: "Hey! You need to search for something."
       webfinger:
           fail: "Sorry, we couldn't find %{handle}."
       show: