added fitnesse options -a / -o

updated dependency to fitnesse.version 20140418

added fitnesse options -a / -o
as fitNesseAuthenticate and fitNesseUpdatePrevents

on start fitNesseAuthenticate adds the command line parameter -a
<user:password>

on stop fitNesseAuthenticate adds the command line parameter -c user
password splitting value of fitNesseAuthenticate