Update translation keys for renaming of user to users

app/controllers/application_controller.rb

@@ -22,7 +22,7 @@ class ApplicationController < ActionController::Base
       # don't allow access to any auth-requiring part of the site unless
       # the new CTs have been seen (and accept/decline chosen).
       elsif !current_user.terms_seen && flash[:skip_terms].nil?
-        flash[:notice] = t "user.terms.you need to accept or decline"
+        flash[:notice] = t "users.terms.you need to accept or decline"
         if params[:referer]
           redirect_to :controller => "users", :action => "terms", :referer => params[:referer]
         else

app/controllers/diary_entry_controller.rb

@@ -234,7 +234,7 @@ class DiaryEntryController < ApplicationController
   # and return them to the user page.
   def require_administrator
     unless current_user.administrator?
-      flash[:error] = t("user.filter.not_an_administrator")
+      flash[:error] = t("users.filter.not_an_administrator")
       redirect_to :action => "show"
     end
   end