Removed print at TestStub
Initial refactor
The given floating IP must belong to the HA iface
Added unit tests
Merge branch 'master' into mjulian/floatingip-within-iface
Floating IP should belong to any network interface

 * It was only checked against HA cluster interface
Merge pull request #1054 from Zentyal/mjulian/floatingip-within-iface

Mjulian/floatingip within iface