Signed-off-by: Hirohisa Kawase <hiro@linux-eejv.(none)>

Revised Command-Line contribution docs.

Signed-off-by: Jakobud <jake.e.wilson@gmail.com>

Added empty files for coding standards and tortoisegit docs.
Adjusted Contributions in the Table of Contents sidebar.

Signed-off-by: Jakobud <jake.e.wilson@gmail.com>