Import os before trying to use it

Change-Id: I65610dd938b6ae43b4d5bde2bf0240a25035802f
Miscellaneous fixes
 - Tell git to ignore untracked file .hpssic_version
 - Comment include statement in sample config so it doesn't trigger warnings
   when copied to the default config for testing
 - Add db2 section to sample config (per Mitch's suggestion)
 - pep8 cleanup ztool.py

Change-Id: I6141b6c570846a6e6b317a61cd38812d3110bdc4
Version stamp the distribution
 - MANIFEST.in: Add .hpssic_version, recurse down hpssic
 - Makefile: cleanup -- stray entries got added during a conflict, add
   precommit target
 - crawl.py: add crl_version
 - util.py: add dirname(), git_repo(),
 - setup.py: get version from .hpssic_version, deploy .hpssic_version

Change-Id: I4cd9f757d8afa3eefc402ec23a80f76c5836ad6e
Have crawl provide README and sample config in installation

Change-Id: Ia4322b592e9773dee021b4fddf843f9d4339aff8
Commit message hook

Change-Id: I85daf95d4e2184159b817e58b1656f971fdd4302
Merge branch 'multdim' of github.com:ORNL-TechInt/hpss-crawler into multdim

Conflicts:
	hpssic/ztool.py

Change-Id: Ie4ce36c8cf12c507bf6b0a0593977134bf6a0fbd