logout success message, closes #611

Author: joehand

client/js/models/township.js

@@ -50,6 +50,7 @@ module.exports = function (state, emitter) {
     api.logout(data, function (err, resp, data) {
       if (err) return emitter.emit('township:update', {error: err.message})
       emitter.emit('township:update', defaults.township)
+      emitter.emit('message:success', 'Successfully Logged Out')
     })
   })