Allow non-TLD URLs in Obico wizard

[smartin015]

170

Verified using https://regex101.com/ (ECMAScript/Javascript flavor) with the following test inputs:

Valid

• http://asdf.test:4949
• http://hostname:4949
• http://a.b.c:4949/def
• http://abc/def
• http://abc
• https://abc:4949

Invalid

• abc
• abc:4949

[kennethjiang]

Thanks @smartin015