download test data in travis script since git-lfs isn't rolled out yet
download test data in travis script since git-lfs isn't rolled out yet

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