Added ethno target to run ethnologue scraper.
Hash bang magic.
Hand-made hacks to compensate for some differences between WALS and Ethnologue.  Mostly WALS still using ISO codes which have been retired.
Add Ethnologue classification to Language objects at time of instantiation.  Implement new genetic distance function.
Don't try to duplicate dense_features.
Merge branch 'master' of https://github.com/berkeley-cocosci/word-order-phylogeny
Added load_matrix function.
Don\'t check first line.
Minor aesthetic/consistency fix: instantiate language lists in standard order.
Compute range of distances between English and some comparison languages for each build method.