Merge branch 'dr/doc-recurse-submodules'

Documentation updates around the "--recurse-submodules" option.

* dr/doc-recurse-submodules:
  doc: --recurse-submodules mostly applies to active submodules
  doc: be more precise on (fetch|push).recurseSubmodules
  doc: explain how to deactivate submodule.recurse completely
  doc: document --recurse-submodules for reset and restore
  doc: list all commands affected by submodule.recurse

diff --cc Documentation/fetch-options.txt
Simple merge

diff --cc Documentation/git-pull.txt
Simple merge