jacomyal/sigma.js — pull request #317 by sheymann (2014-06-23 10:39:02+00:00)
Title: Edge labels

Add label renderers on canvas for default, arrow, curved, and curvedArrow edges.

### New settings
- drawEdgeLabels
- defaultEdgeLabelColor
- defaultEdgeLabelSize
- edgeLabelSize : fixed | proportional
- edgeLabelSizePowRatio
- edgeLabelThreshold