added spoofing capabilities to udp_scanner
update for ntp modules
refactored the code based on PR feedback
send data based on input not @probe
chargen src IP spoofing
Add sanity check for NUM_REQUESTS
Land #3834, @jabra-'s updates to UDPscanner to support spoofing
Merge branch 'master' of github.com:rapid7/metasploit-framework into upstream-master
Land #3837, @jabra-'s update to chargen scanner to support spoofing
Land #3839, @jabra-'s updates to dns_amp to support spoofing