velvet: fixed bug introduced in latest tar ball

Tar ball was replaced for 1.2.08 with a version containing precompiled
binaries for Linux. Requires 'make clean' to correct. (Have notified
author to fix tar ball upstream.)
Merge branch 'velvet'
biolite: new formula: BioLite 0.3.0

BioLite is a bioinformatics framework written in Python/C++ that automates
the collection and reporting of diagnostics, tracks provenance, and
provides lightweight tools for building out customized analysis pipelines.
Merge branch 'biolite'