added sample json files and some pathways
handle datanodes with no text
added graphics attributes to pvjson conversion code
continue with refactoring conversion of gpml attributes to pvjson
refactor ...gpml.element to self-executing function form
debug double lines for shapes
correct bug with shape fill color
updated graphics attribute processing and added element attribute processing, although it somehow messes up grouped datanodes at present
now all the other element types are added to the flattened structure
groups are in the process of transferring over to the flat format
continued working toward a renderable json data model built from GPML
continue building viewmodel and also add group dimensions test file
made directories for viewer and editor. the contents of these directories is currently just the contents of the old view directory
groups are now rendering sort-of (some errors with pathways, it appears)
in progress -- converting to path model
paths are now starting to work. groups appear to work pretty well.
minor bug fixing and also disabled old rendering code for nodes
we are now rendering edges with the new flatter structure
adding parsing for character entities and got text rendering working
many improvements, incl/ adding stroke width to oval-double. text now generally working