datapaths: Improve do_launch
datapaths: Improve do_launch

You can now pass arguments to the constructor of a switch class.

waltznetworks/pox,jacobq/csci5221-viro-project,xAKLx/pox,denovogroup/pox,chenyuntc/pox,carlye566/IoT-POX,diogommartins/pox,PrincetonUniversity/pox,pthien92/sdn,kulawczukmarcin/mypox,pthien92/sdn,kpengboy/pox-exercise,chenyuntc/pox,pthien92/sdn,andiwundsam/_of_normalize,andiwundsam/_of_normalize,noxrepo/pox,PrincetonUniversity/pox,PrincetonUniversity/pox,waltznetworks/pox,adusia/pox,diogommartins/pox,VamsikrishnaNallabothu/pox,carlye566/IoT-POX,kulawczukmarcin/mypox,jacobq/csci5221-viro-project,kavitshah8/SDNDeveloper,noxrepo/pox,jacobq/csci5221-viro-project,denovogroup/pox,pthien92/sdn,MurphyMc/pox,adusia/pox,chenyuntc/pox,VamsikrishnaNallabothu/pox,chenyuntc/pox,jacobq/csci5221-viro-project,kpengboy/pox-exercise,denovogroup/pox,MurphyMc/pox,VamsikrishnaNallabothu/pox,xAKLx/pox,kulawczukmarcin/mypox,diogommartins/pox,andiwundsam/_of_normalize,kpengboy/pox-exercise,PrincetonUniversity/pox,kavitshah8/SDNDeveloper,diogommartins/pox,chenyuntc/pox,xAKLx/pox,noxrepo/pox,noxrepo/pox,jacobq/csci5221-viro-project,waltznetworks/pox,waltznetworks/pox,kpengboy/pox-exercise,VamsikrishnaNallabothu/pox,adusia/pox,kavitshah8/SDNDeveloper,kulawczukmarcin/mypox,kavitshah8/SDNDeveloper,kpengboy/pox-exercise,pthien92/sdn,carlye566/IoT-POX,kulawczukmarcin/mypox,diogommartins/pox,carlye566/IoT-POX,andiwundsam/_of_normalize,adusia/pox,carlye566/IoT-POX,VamsikrishnaNallabothu/pox,xAKLx/pox,PrincetonUniversity/pox,denovogroup/pox,adusia/pox,waltznetworks/pox,MurphyMc/pox,MurphyMc/pox,xAKLx/pox,denovogroup/pox,MurphyMc/pox