Commit
51f0c4c45dde5f75aa33faba8c35c391238f76cd
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