vfuse: split client and server main pkg

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
vfuse: fix verbose flag and package docstring

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
vfuse: docstring for commands

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
Merge pull request #33 from proppy/fuse

vfuse: split client and server main pkg