doc: command line interface (cli) dot-repository dwimmery
doc: command line interface (cli) dot-repository dwimmery

The Git cli will accept dot '.' (period) as the relative path
to the current repository. Explain this action.

Signed-off-by: Philip Oakley <a0e80625db756b4bd51d5507b8662a7e4f6837ad@iee.org>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git