add cFos ml-files syntax highlighting
update cFos ml syntax infom in c.json
fixed missing , in c.json
add ST version req. to cFos ml syntax

I hope that I've correctly understood `*` - it stands for "any version", right?
update c.json: move cFos ml syntax to proper position
Merge pull request #2064 from ArmorDarks/master

add cFos ml-files syntax highlighting