new file:   examples/fifo/call_from_python.py
new file:   examples/fifo/readinput.m
new file:   examples/fifo/testReadInput.m
new file:   examples/read_input.m

- committing a pipe communication case. Usage is

    echo '{foo: 'bar'}' | ./call_from_python.py

  this calls matlab process and forked child wirte into
  a fifo pipe (unique per python process).