Graph

Merge.
Sat, 17 Dec 2016 11:21:08 -0500, by Steve Losh
Avoid destroying record of last visual selection
Sun, 07 Apr 2013 11:33:46 -0700, by Daniel Robert Allen
Update acknowledgements
Thu, 15 Dec 2016 15:22:41 -0500, by Steve Losh
Merge.
Thu, 15 Dec 2016 15:22:10 -0500, by Steve Losh
s/plugins/plugin
Tue, 02 Jul 2013 15:49:01 +0200, by Yann Thomas-Gerard