Integrated new registration workflow.

Added optional "mailer.subject_prefix" configuration item.
Added CMS_SETUP.utf_8_site_name for convenience.
Fixed a few potential unicode issues.
Fixed various typos.

modules/auth/site/config/auth.json

@@ -0,0 +1,7 @@
+{
+	"subject": "Thank you for contacting us",
+	"recaptcha": {
+		"site_key":"6Lex9RMTAAAAAKleC4x6TaRlFcpLbEWgH_U7MSiD",
+		"secret_key":"6Lex9RMTAAAAAAkBczvX5DUiyg_xoM_EthVVgRRx"
+	}	
+}