Change edgeColour to edgeStyle
Document edgeStyle
twitter share button
Merge pull request #234 from ifjorissen/ifj_twitter

twitter share button
updating docs with cdn quickstart
Merge pull request #235 from hustonhedinger/docs

updating docs with cdn quickstart
Merge pull request #239 from MDCox/edgeStyling

Edge styling
pulling in recent changes
commiting changes