Fixed PS1 & vimdiff * PS1 had nonprintable characters in it, but bash didn't know that; so it wrapped in all the wrong places. * vimdiff was using different window placements than kdiff would use, leading to much confusion. This way feels nicer, leaving the "good" output file at the bottom.

# $Id$
#
#if [ "$SSH_AGENT_PID" -a "$SHLVL" = "1" ] ; then
#  eval `/usr/bin/ssh-agent -k`
#fi