flow_table: Code format improvements in TableEntry
flow_table: Code format improvements in TableEntry

In these cases, minor changes were made to the code to improve
readability and/or formatting.

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