abstracting out port validation because shared between udp and tcp.
beginning the implementation of new output / probe module interface
building fieldset and probe modules
adding output-fields to global conf
further progress
Merge branch 'master' into probe-v2
parse CLI provided output columns
further progress
adding types
adding generic csv output module
working fieldsets without headers
working new interface
dryrun no longer requires root access
bug fixes to extended_file output
 removing simple and extended file modules
merging in master