[BUGFIX] Allow different hosts as long as they are defined in BE

This is important as some installations may use SSL for the form.

Change-Id: Ie8216b17293d41fddb25f35cecbcf5f77d6f4302
[RELEASE] Release of tipafriend_plus 0.3.0

Change-Id: Idecf308a64d41effe14e36fc182bd228098bc94e