followlinks not follow_links
Squashed 'subtree/bokehjs/' changes from f3d4541..5a07173

5a07173 adding 'rectregions' glyph renderer and refactoring existing rect glyph
daae282 add render_area function

git-subtree-dir: subtree/bokehjs
git-subtree-split: 5a07173508ea6d14976825ea5f58509b3e6d3267
Merge commit '42ff231ecb617284d1b0d6d8b123493ff1676da9'