install blas deps for numpy on travis-ci
install blas deps for numpy on travis-ci

kcompher/pyLDAvis,codingafuture/pyLDAvis,log0ymxm/pyLDAvis,codingafuture/pyLDAvis,bmabey/pyLDAvis,bmabey/pyLDAvis,bloody76/pyLDAvis,tdhopper/pyLDAvis,napsternxg/pyLDAvis,tdhopper/pyLDAvis,bmabey/pyLDAvis,codingafuture/pyLDAvis,napsternxg/pyLDAvis,log0ymxm/pyLDAvis,napsternxg/pyLDAvis,bloody76/pyLDAvis,kcompher/pyLDAvis,log0ymxm/pyLDAvis,kcompher/pyLDAvis,bloody76/pyLDAvis,tdhopper/pyLDAvis