Update config.php

Added two config parameters for the signup, instead of having to alter the controller for confirmed members only, just set the config parameter in the config-file.
Update config.php

Added extended information to clear things up.
Update controller.blade.php

Let the controller read out the signup_confirm value from the config file instead of having to change the controller.
Update ConfideUser.php

Depend the transport of the mail regarding the config-setting. If wanted we can log it when it is set to false. But now the email is only send when you specifically want it, true or false in the config-file. Some scenarios require you not to send out the mail before something is paid for example.
Update README.md

Reflect my commits for those in the documentation
Update README.md

Updated a note when adding fields to your forms in combination with ardent.
Merge pull request #143 from byordereurope/master

Updated signup_mail and signup_confirm for easier changes instead of messing with the controller.