initial stab at exception handling around file operations
Add spellcheck to code review checklist.
Updated ChangeLog.
spellcheck the codebase
Merge pull request #397 from ged-lab/docs/add_spellcheck_to_review_checklist

Add spellcheck to code review checklist.
update release instructions
Merge pull request #417 from ged-lab/doc/release-updates

update release instructions
python -> python2
Merge pull request #418 from ged-lab/doc/release-updates

python -> python2 for sweep-reads-buffered
Update ChangeLog
more release process fixes
Merge pull request #420 from ged-lab/doc/release-updates

more release process fixes
Update Jenkins build status badge
Fix link to virtualenv installation instructions.

Also made link to detailed doc instructions more prominent
move zlib & bzip2 to third-party
sloccount for humans and Jenkins
remaining changes to support third-party/
Merge pull request #427 from ged-lab/feature/sloccount

sloccount Makefile target
move zlib & bzip2 to third-party
sloccount for humans and Jenkins