[move_selected_cells] updated to Jupyter 4.2+#860

Merged

jcb91 merged 4 commits intoipython-contrib:masterfrom jfbercher:master

Feb 5, 2017

+68-49

Commits on Jan 27, 2017

Commits on Feb 1, 2017

[move_selected_cells] remove rubberband dependency
jfbercher
committed

Commits on Feb 5, 2017

Updated README (again) to reflect update to Jupyter 4.2+
jfbercher
committed