update checkpoint ns, test pass
lzo ns update, not passing yet
update math ns, postwalk unsolved again
use jackknife 0.1.4-SNAPSHOT in core
Merge branch 'cascalog_two' into feature/contribs

Conflicts:
	cascalog-checkpoint/project.clj
Merge pull request #165 from Quantisan/feature/contribs

trivial updates to a few more contribs for cascalog_two