Change edgeColour to edgeStyle
Document edgeStyle
removed tweet button from alchemy app and added it to alchemy.js landing page.
updated alchmy.js dependency for the site to commit no. 32f82fe60acbea8cc4c6b73760b1819e2452a419
Merge pull request #239 from MDCox/edgeStyling

Edge styling
Merge pull request #237 from ifjorissen/ifj_twitter

removed tweet button from alchemy app and added it to alchemy.js landing...
Merge pull request #238 from ifjorissen/ifj_issues

Alchemy.js site dependency update