updated var module to use VEP instead of SnpEff. currently slow though, because spools up one VEP instance for each freebayes thread. Plan to run forked VEP on whole file in next commit
ought to be faster VEP annotation
added threads for VEP
fixed verbose typo
use VEP for somatic as well
forgot a backslash
switched pairend_distro to python implementation
changed error-checking executables for VEP instead of SnpEff