Add script for stripping grammar.
Add script for stripping grammar.

Usage: strip_grammar [-n | -t] <infile>
    -n    Strip names (e.g. [foo]:bar -> bar)
    -t    Strip transformations (e.g. foo {->bar} -> foo)

Default is to strip both names and transformations

liuxinglanyue/mjc,liuxinglanyue/mjc,estan/mjc,estan/mjc,estan/mjc,liuxinglanyue/mjc