pull from Image Name Broadcast #42

Conflicts:
NetBoot/netbootInstall.sh
SUS/susInstall.sh
base/testOSRequirements.sh
webadmin/webadminInstall.sh
Added back firewall rules to allow for diskless NetBoot
Missed a fi when putting the firewall exceptions in
Changes for Cent OS 7
CentOS 7 fix
Needed for smbpasswd
Added support for firewall-cmd
netstat to ss for added OS support
Fixed a bad merge
Use icalc and ip if available for getting the net mask
tufts config updates