install.sh: Do not complain if symbolic links are already existing.
sputnik.bash: Now records start and stop timestamp (in "<JOBDIR>/job.start" and "<JOBDIR>/job.stop") as seconds since Unix epoch. For restarted jobs, these files have multiple lines, one line per start/stop.
gschedule.bashlib: Now also stores job name when preparing job.
utils.bashlib: Added function for debug output.
Enhanced qqstat functionality and moved to separate program.