Mark stale docs at top-level with warning banner#25

Closed

JazzTap wants to merge 2 commits intomatplotlib:masterfrom

JazzTap:warn-toplevel

Commits on Jul 17, 2018

Mark stale docs at top-level with warning banner. Take two with sensible search strings.
JazzTap
committed

Commits on Jul 27, 2018

Cleanup script avoids duplicating its own banner. (Still removes stale .py, .pdf.)
JazzTap
committed