updated version to 15.08.4 to match slurm; updated autotools bits

increment version info

removed error messages re missing control file, etc.

removed the exit flag code because spank no longer runs exit function twice; moved to slurm-matching version number

removes the hostname file correctly

some clean up; unlink hostname file after reading

Added Aaron's email text to the README file

initial

Merge branch 'master' of github.com:harvardinformatics/spunnel

libtoolized

Initial commit

free each malloc, close each file

some clean up and rename

works without fork

works with fork