Upgrade to latest dagre (which contains graphlib)

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #101 from GordonSmith/Lates_Dagre

Upgrade to latest dagre (which contains graphlib)
Graph Widget inside a Surface Widget Positioning is wrong.

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Add support for HIPIE Graphs

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Demo/Test Page(s)

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Add CirclePacking Demo

Signed-off-by: Gordon Smith <gordonjsmith@gmail.com>
Add Graph Test Page

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge remote-tracking branch 'remotes/origin/Graph_Position' into gh-pages
Merge remote-tracking branch 'remotes/origin/HIPIE_Graph' into gh-pages