Commit
9239c8c7cc6b11ad74e35480cde6e780f0665d92
by lynxisRework SGSN code to use new libvlr code
The libvlr code will take most of the logic of the Routing Area handling.
By using the new libvlr code, the ACL and usage of the SGSN without the
HLR has been removed.
Change-Id: I9c5b4ec1b337c35e85c2d1a3d09b318380ae6ef8