Merge pull request #69 from AlexanderPico/master

update processing of marker svg
Merge pull request #70 from AlexanderPico/master

update marker details; minor refactor marker.js
Merge pull request #1 from wikipathways/master

latest from wp master
changes to arc
updated golgi svg and fixed group style
Merge pull request #73 from khanspers/master

fixed golgi svg and group style "group"
Merge pull request #1 from wikipathways/master

update ap:master with latest work and builds from wp:master