Bring NDPO/PKB into Monarch

For background see:

Maynard, S. M., Mungall, C.J., Lewis, S. E., Imam, F. T., and Martone, M. E. (2013). A knowledge based approach to matching human neurodegenerative disease and animal models. Frontiers in neuroinformatics, 7:7

The goal is to have these phenotypes appear under the disease tab in monarch, have the phenotypes available for matching.

This is mostly an ID replacement issue. It may make sense to fold this in with general much-needed cleanup of NIFSTD.

the first step should be to get the ontologies into a repo like github