Array edits#1403

Merged

alexcjohnson merged 18 commits intomasterfrom

Feb 24, 2017

Commits on Feb 23, 2017

allow all `info_array`s to be pruned and command args to be optional
alexcjohnson
committed
exclude `args` from `nestedProperty` pruning
alexcjohnson
committed
keep _fullLayout container arrays in sync with splices in layout
alexcjohnson
committed

Commits on Feb 24, 2017