1.3.0

Complete 1.3.0 Changeset

React JS Upgrade

• #31: Upgrade to
  React JS 15.4.x via
  react-dart 3.1.0.
• #27: Add missing SVG elements
  (e.g. Dom.foreignObject pointed out by @kasperpeulen)

We are now on Gitter!

• #33: Implement vehicle for community discussion
  (on Gitter).
  Thanks for the suggestion @jtrunick!