nodemap: move the mode option to storage.revlog.nodemap.mode
The option stay experimental as long as the main feature is.
Differential Revision: https://phab.mercurial-scm.org/D8422
Welcome to Mercurial for Windows!
---------------------------------
For configuration and usage directions, please read the ReadMe.html
file that comes with this package.
Also check the release notes at:
https://mercurial-scm.org/wiki/WhatsNew