updated vlad generate_session_store action

lib/tasks/vlad.rake

@@ -80,7 +80,7 @@ namespace :vlad do
     desc "executes rake config/initializers/session_store.rb"
     remote_task :session_store do
       info "Executing rake config/initializers/session_store.rb"
-      remote_rake 'config/initializers/session_store.rb'
+      remote_rake 'generate_session_store'
     end
     
     desc "Executing migrations of database and plugins"