GraphViewer: Embedded the Edges in an own g element
GraphViewer: Changed rendering of edges, they are now translated and rotated instead of giving x1/y1 and x2/y2. This works much better for labels
GraphViewer: Added test for Edge colouring
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
GraphViewer: Added tests for colouring of Nodes/Edges
GraphViewer: Edge colouring has now 2 options, single colour and gradient colour. However gradient works only with a hack and only on Safari due to SVG problems
GraphViewer: Node colouring has now 2 options, single colour and colour based on expanded or not
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
GraphViewer: Added ColourMapper and implemented tests. This class should return colours for based on attribute values