Implemented getting user ipaddress and configuring WISE upon starting WISELocal.

looks at en0->en1->en2->en3->en4->localhost, in that order, to use for the WISE url. portal.properties, vle.properties, and WISE Homepage.webloc are updated with this url before WISE starts up.

This will allow users to use WISELocal for small-scale classroom, for example, via a LAN, where a server is inside the classroom.

issue: https://github.com/WISE-Community/WISE-Local/issues/1