runexps.sh: Fix bugs in logfile naming; corpus should be 'trf' for fixed TRCONLL
runexps.sh: Use different temporary files for different processes to avoid conflicts when multiple runexps.sh going at once
runexps.sh: Allow corpusname ($1) to be e.g. tr* or cwar*, add --cwar-suffix to control 20spd/10spd/etc.