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