log() added to Register.form.error()

Personal thought:
	I really should wrap span around these parameters and hide them
	unless mouse is over... It is messy to see all of these parameters...

	modified:   $assets/js/register.js
	modified:   -developer/xjs/register/func.js
	modified:   -developer/xjs/register/test/expected/empty_email.js
	modified:   -developer/xjs/register/test/expected/invalid_email.js