explore alternatives for visualization to enable standalone use

[adf-ncgr]

we discussed some examination of:
https://doi.org/10.1093/bioinformatics/btx324
aka
https://phyd3.bits.vib.be/index.html

the viewer they reference as:
http://bl.ocks.org/kueda/1036776
is the one we adopted for the tripal_phylotree work