Version 0.18.1: Added more MME encoding and decoding to the LTE library, pulled in a patch from Ruben Merz to add USRP X300 support for LTE_fdd_dl_scan and LTE_fdd_enodeb, added to enodeb_nat_script.sh, added delayed user deletion, ol extension to all message queues, ability to send EMM information message, and QoS for default data services to LTE_fdd_enodeb.