split out biopax-ref getter code and removed unneeded duplicate file
groups now have element and node level elements taken care of by correspondingly-named code
Merge pull request #56 from AlexanderPico/gh-pages

overhaul on markers css, svg and js
Merge pull request #57 from AlexanderPico/gh-pages

markers and datanode text color for metabolites and pathways
Merge pull request #58 from AlexanderPico/gh-pages

fix mim-branching markers; done
groups displaying again now.
Merge branch 'gh-pages' of https://github.com/wikipathways/pathvisiojs into gh-pages
bug fixes for groups and other items as I found them
addressed error from adding group shapes as custom symbols
added shape default definitions
update elements object defs
Update README.md
Update README.md
Update README.md
Update README.md
don't have the async error when notusing callback for getting group node dimensions
removed async because it wasn't working with getGroupDimensions function
Merge branch 'gh-pages' of https://github.com/wikipathways/pathvisiojs into gh-pages
in progress - code works here - converting .gpml code to use Kyle Simpson's object-based architectural pattern
is still working. making progress on simpson's arch. pattern for .gpml