fast-reload: add shell filter to make OMake and merlin cooperate
fast-reload: add shell filter to make OMake and merlin cooperate

When using OMake with -P, prepend omake_merlin.sh to the command-line to
make merlin aware of compilation progress.
E.g.:
        $ omake_merlin.sh omake -P
This script sends a signal to merlin every time a compilation pass ends.

the-lambda-church/merlin,rgrinberg/merlin,neojski/merlin,rgrinberg/merlin,chambart/merlin,ocaml/merlin,fxfactorial/merlin,neojski/merlin,chambart/merlin,haselwarter/merlin,chriskonstad/merlin,fxfactorial/merlin,neojski/merlin,rgrinberg/merlin,chambart/merlin,rgrinberg/merlin,dra27/merlin,haselwarter/merlin,chriskonstad/merlin,ocaml/merlin,haselwarter/merlin,haselwarter/merlin,fxfactorial/merlin,ocaml/merlin,neojski/merlin,dra27/merlin,dra27/merlin,chambart/merlin,ocaml/merlin,the-lambda-church/merlin,the-lambda-church/merlin,dra27/merlin,fxfactorial/merlin