output: new module "output"

enabling run-time addition and removal of UDP clients , just like
--out on the cnd line'
eg:
    module load output     ( once )
    output 10.11.12.13 14550  ( as many times as you like)
    module unload output   ( once, cleans up all the outputs you dynamically created )
output: added "output add", "output remove" and "output list"

load output module by default