Merge pull request #12 from OpenTreeOfLife/provenance-display

Initial provenance display (property inspector) UI, misc cleanup
Merge pull request #15 from OpenTreeOfLife/provenance-display

Remote taxon search using JSONP to allow cross-domain requests
Merge pull request #16 from OpenTreeOfLife/provenance-display

Improved display, search, subtree download, etc.
Merge pull request #17 from OpenTreeOfLife/provenance-display

Working highlights for argus nodes and edges, and basic provenance.
Merge pull request #18 from OpenTreeOfLife/provenance-display

More work on provenance display and subtree extraction