Add protocol when checking a URL input
Add protocol when checking a URL input

Empty values are not affected by this, only when the user inputs a value
the protocol is prepended and only when is missing.

ALTUN69/PHP-Fusion,slb4life/php-fusion,Jugolo/PHP-Fusion,php-fusion/PHP-Fusion,ALTUN69/PHP-Fusion,AlexL777/PHP-Fusion,Talocha/PHP-Fusion,slb4life/php-fusion,Talocha/PHP-Fusion,Jugolo/PHP-Fusion,helmuthm/PHP-Fusion,ALTUN69/PHP-Fusion,php-fusion/PHP-Fusion,php-fusion/PHP-Fusion,slb4life/php-fusion,helmuthm/PHP-Fusion,Talocha/PHP-Fusion,AlexL777/PHP-Fusion,Jugolo/PHP-Fusion,Dahlgren/PHP-Fusion,AlexL777/PHP-Fusion,Dahlgren/PHP-Fusion,Talocha/PHP-Fusion,helmuthm/PHP-Fusion,Dahlgren/PHP-Fusion