updates to calc-median-distribution in sandbox/
Merge branch 'master' of github.com:ged-lab/khmer into calc-median-updates
Merge branch 'master' of github.com:ged-lab/khmer into calc-median-updates
updated ChangeLog for changes to calc-median-distribution
Merge pull request #184 from ged-lab/calc-median-updates

updates to calc-median-distribution in sandbox/