* fix the bug for IP connectivity when more than 1 UE is connected (test with iperf: ok)
* set target ul/dl mcs in the eNB scheduler to hardwire the desired MCS (option t for UL and m for DL)
* add the code related to abstraction from http://svn.eurecom.fr/openairsvn/openair4G/tags/asilomar2013
* cleanup the code
* pre-ci passed for all except for eMBMS



git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5093 818b1a75-f10b-46b9-bf7c-635c3b92a50f