documentation - removed the specific reference to peer-to-peer, mention distributed computing only in general for inputfile/outputfile, see http://bugzilla.fcdonders.nl/show_bug.cgi?id=1690


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8384 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0