Updated `README.md': reflect current module status
Updated `tests/tunnel-static.sh'

Scaffolding code no longer needed as it is handled by `module/unit'.
Updated `tests/git-static.sh'; syntax error fixed
Updated `module/remote': cleanup

Removed the cfrun function which was out-of-place, and moved some
general ssh options to the top of the file.
Added `module/remote' unit tests: issue 13