Summary:
- some editing of the text
- the documentation of NULLPTR_DEREFERENCE was duplicated in
NULL_DEREFERENCE. Make the latter point to the former instead.
Reviewed By: skcho
Differential Revision: D27162785
fbshipit-source-id: 442d6efb9
Summary: Includes all changes made from the last time of `make doc-publish`
Reviewed By: jvillard
Differential Revision: D24728644
fbshipit-source-id: c0006a8dd