Remove the undefined property in build.xml.
Remove the undefined property in build.xml.

teja-/floodlight,rizard/geni-cinema,chechoRP/floodlight,chris19891128/FloodlightSec,wallnerryan/floodlight,hgupta2/floodlight2,xph906/SDN-NW,alsmadi/CSCI-6617,chechoRP/floodlight,CS-6617-Java/Floodlight,hgupta2/floodlight2,baykovr/floodlight,TidyHuang/floodlight,avbleverik/floodlight,kvm2116/floodlight,andiwundsam/floodlight-sync-proto,pixuan/floodlight,xuraylei/floodlight,scofieldsoros/floodlight-0.9,kwanggithub/umfloodlight,fazevedo86/floodlight,deepurple/floodlight,deepurple/floodlight,Wi5/odin-wi5-controller,schuza/odin-master,iluckydonkey/floodlight,iluckydonkey/floodlight,xph906/SDN-ec2,rcchan/cs168-sdn-floodlight,lalithsuresh/odin-master,avbleverik/floodlight,nhelferty/sdn-project,xuraylei/floodlight,chinmaymhatre91/floodlight,09zwcbupt/floodlight,SujithPandel/floodlight,kvm2116/floodlight,omkale/myfloodlight,xph906/SDN-NW,AndreMantas/floodlight,JinWenQiang/FloodlightController,CS-6617-Java/Floodlight,geddings/floodlight,marcbaetica/Floodlight-OVS-OF-Network-Solution-,chinmaymhatre91/floodlight,omkale/myfloodlight,iluckydonkey/floodlight,marymiller/floodlight,m1k3lin0/SDNProject,phisolani/floodlight,chris19891128/FloodlightSec,CS-6617-Java/Floodlight,riajkhu/floodlight,xph906/SDN-ec2,dhruvkakadiya/FloodlightLoadBalancer,kwanggithub/umfloodlight,andiwundsam/floodlight-sync-proto,drinkwithwater/floodlightplus,Pengfei-Lu/floodlight,Linerd/sdn_optimization,srcvirus/floodlight,m1k3lin0/SDNProject,teja-/floodlight,wallnerryan/floodlight,kwanggithub/umfloodlight,wallnerryan/FL_HAND,swiatecki/DTUSDN,thisthat/floodlight-controller,chechoRP/floodlight,deepurple/floodlight,AndreMantas/floodlight,similecat/floodlightsec,09zwcbupt/floodlight,teja-/floodlight,swiatecki/DTUSDN,avbleverik/floodlight,srcvirus/floodlight,similecat/floodlightsec,scofieldsoros/floodlight-0.9,rhoybeen/floodlightLB,rizard/fast-failover-demo,phisolani/floodlight,pixuan/floodlight,rizard/SOSForFloodlight,Linerd/sdn_optimization,dhruvkakadiya/FloodlightLoadBalancer,rizard/SOSForFloodlight,rcchan/cs168-sdn-floodlight,wallnerryan/floodlight,schuza/odin-master,alsmadi/CSCI-6617,moisesber/floodlight,rhoybeen/floodlightLB,duanjp8617/floodlight,similecat/floodlightsec,moisesber/floodlight,alberthitanaya/floodlight-dnscollector,srcvirus/floodlight,Linerd/sdn_optimization,moisesber/floodlight,niuqg/floodlight-test,dhruvkakadiya/FloodlightLoadBalancer,daniel666/multicastSDN,pixuan/floodlight,rizard/geni-cinema,StefanoSalsano/my-floodlight,xph906/SDN,wallnerryan/floodlight,swiatecki/DTUSDN,JinWenQiang/FloodlightController,xph906/SDN-NW,rhoybeen/floodlightLB,rizard/fast-failover-demo,thisthat/floodlight-controller,alsmadi/CSCI-6617,onebsv1/floodlight,rizard/fast-failover-demo,m1k3lin0/SDNProject,m1k3lin0/SDNProject,thisthat/floodlight-controller,onebsv1/floodlightworkbench,smartnetworks/floodlight,similecat/floodlightsec,drinkwithwater/floodlightplus,gfsantanna/firewall_SDN,UdS-TelecommunicationsLab/floodlight,rizard/geni-cinema,thisthat/floodlight-controller,egenevie/newnet,pablotiburcio/AutoManIoT,riajkhu/floodlight,netgroup/floodlight,swiatecki/DTUSDN,andi-bigswitch/floodlight-oss,phisolani/floodlight,yeasy/floodlight-lc,rhoybeen/floodlightLB,swiatecki/DTUSDN,gfsantanna/firewall_SDN,dhruvkakadiya/FloodlightLoadBalancer,TKTL-SDN/SoftOffload-Master,rizard/floodlight,moisesber/floodlight,baykovr/floodlight,TKTL-SDN/SoftOffload-Master,SujithPandel/floodlight,netgroup/floodlight,xph906/SDN-NW,rsharo/floodlight,rcchan/cs168-sdn-floodlight,xph906/SDN-NW,daniel666/multicastSDN,gfsantanna/firewall_SDN,ZhangMenghao/Floodlight,marymiller/floodlight,woniu17/floodlight,rcchan/cs168-sdn-floodlight,rsharo/floodlight,rsharo/floodlight,duanjp8617/floodlight,woniu17/floodlight,ZhangMenghao/Floodlight,phisolani/floodlight,chechoRP/floodlight,ZhangMenghao/Floodlight,alberthitanaya/floodlight-dnscollector,jmiserez/floodlight,jmiserez/floodlight,yeasy/floodlight-lc,egenevie/newnet,StefanoSalsano/my-floodlight,drinkwithwater/floodlightplus,TKTL-SDN/SoftOffload-Master,StefanoSalsano/my-floodlight,alberthitanaya/floodlight-dnscollector,omkale/myfloodlight,kwanggithub/umfloodlight,jmiserez/floodlight,09zwcbupt/floodlight,chinmaymhatre91/floodlight,gfsantanna/firewall_SDN,lalithsuresh/odin-master,UdS-TelecommunicationsLab/floodlight,Pengfei-Lu/floodlight,chinmaymhatre91/floodlight,baykovr/floodlight,baykovr/floodlight,daniel666/multicastSDN,deepurple/floodlight,wallnerryan/FL_HAND,akoshibe/fl-hhcp,alsmadi/CSCI-6617,yeasy/floodlight-lc,hgupta2/floodlight2,phisolani/floodlight,fazevedo86/floodlight,onebsv1/floodlightworkbench,woniu17/floodlight,marymiller/floodlight,andiwundsam/floodlight-sync-proto,andi-bigswitch/floodlight-oss,JinWenQiang/FloodlightController,akoshibe/fl-hhcp,xph906/SDN,rhoybeen/floodlightLB,geddings/floodlight,TidyHuang/floodlight,ZhangMenghao/Floodlight,nhelferty/sdn-project,smartnetworks/floodlight,baykovr/floodlight,UdS-TelecommunicationsLab/floodlight,pablotiburcio/AutoManIoT,teja-/floodlight,xph906/SDN,alexreimers/floodlight,andiwundsam/floodlight-sync-proto,chris19891128/FloodlightSec,Pengfei-Lu/floodlight,iluckydonkey/floodlight,netgroup/floodlight,smartnetworks/floodlight,TKTL-SDN/SoftOffload-Master,AndreMantas/floodlight,ZhangMenghao/Floodlight,CS-6617-Java/Floodlight,schuza/odin-master,TidyHuang/floodlight,xph906/SDN-ec2,jmiserez/floodlight,chris19891128/FloodlightSec,alberthitanaya/floodlight-dnscollector,cbarrin/EAGERFloodlight,wallnerryan/FL_HAND,schuza/odin-master,woniu17/floodlight,Pengfei-Lu/floodlight,riajkhu/floodlight,iluckydonkey/floodlight,marcbaetica/Floodlight-OVS-OF-Network-Solution-,daniel666/multicastSDN,marymiller/floodlight,duanjp8617/floodlight,similecat/floodlightsec,Wi5/odin-wi5-controller,xph906/SDN,egenevie/newnet,chinmaymhatre91/floodlight,nhelferty/sdn-project,netgroup/floodlight,marcbaetica/Floodlight-OVS-OF-Network-Solution-,m1k3lin0/SDNProject,alexreimers/floodlight,marcbaetica/Floodlight-OVS-OF-Network-Solution-,fazevedo86/floodlight,alexreimers/floodlight,rizard/floodlight,TidyHuang/floodlight,cbarrin/EAGERFloodlight,drinkwithwater/floodlightplus,pixuan/floodlight,yeasy/floodlight-lc,egenevie/newnet,wallnerryan/FL_HAND,rizard/fast-failover-demo,fazevedo86/floodlight,duanjp8617/floodlight,smartnetworks/floodlight,gfsantanna/firewall_SDN,alexreimers/floodlight,floodlight/floodlight,rcchan/cs168-sdn-floodlight,UdS-TelecommunicationsLab/floodlight,lalithsuresh/odin-master,floodlight/floodlight,srcvirus/floodlight,kvm2116/floodlight,UdS-TelecommunicationsLab/floodlight,xph906/SDN,onebsv1/floodlight,Wi5/odin-wi5-controller,thisthat/floodlight-controller,Pengfei-Lu/floodlight,duanjp8617/floodlight,09zwcbupt/floodlight,CS-6617-Java/Floodlight,aprakash6/floodlight_video_cacher,Linerd/sdn_optimization,andi-bigswitch/floodlight-oss,alexreimers/floodlight,riajkhu/floodlight,schuza/odin-master,SujithPandel/floodlight,StefanoSalsano/my-floodlight,akoshibe/fl-hhcp,avbleverik/floodlight,pablotiburcio/AutoManIoT,niuqg/floodlight-test,fazevedo86/floodlight,aprakash6/floodlight_video_cacher,TKTL-SDN/SoftOffload-Master,smartnetworks/floodlight,CS-6617-Java/Floodlight,alsmadi/CSCI-6617,onebsv1/floodlight,SujithPandel/floodlight,dhruvkakadiya/FloodlightLoadBalancer,pixuan/floodlight,xph906/SDN-ec2,andi-bigswitch/floodlight-oss,jmiserez/floodlight,xuraylei/floodlight,CS-6617-Java/Floodlight,rizard/geni-cinema,chechoRP/floodlight,onebsv1/floodlightworkbench,rizard/geni-cinema,nhelferty/sdn-project,niuqg/floodlight-test,hgupta2/floodlight2,niuqg/floodlight-test,avbleverik/floodlight,xph906/SDN-ec2,scofieldsoros/floodlight-0.9,aprakash6/floodlight_video_cacher,cbarrin/EAGERFloodlight,akoshibe/fl-hhcp,aprakash6/floodlight_video_cacher,rizard/SOSForFloodlight,netgroup/floodlight,alberthitanaya/floodlight-dnscollector,moisesber/floodlight,aprakash6/floodlight_video_cacher,rizard/fast-failover-demo,scofieldsoros/floodlight-0.9,rizard/floodlight,JinWenQiang/FloodlightController,geddings/floodlight,Wi5/odin-wi5-controller,floodlight/floodlight,woniu17/floodlight,Wi5/odin-wi5-controller,JinWenQiang/FloodlightController,lalithsuresh/odin-master,deepurple/floodlight,TidyHuang/floodlight