Fusion detection

Merge pull request pachterlab#106 from pachterlab/devel

Update to v0.42.5

Merge branch 'master' of https://github.com/pachterlab/kallisto

Merge pull request pachterlab#77 from pachterlab/devel

Upgrade to version 0.42.3

Merge branch 'devel'

Merge pull request pachterlab#54 from pachterlab/devel

Version 4.2.2

cleanup cmake

gen_release accepts OS name