README: node-posix is battle-hardened by now
README: node-posix is battle-hardened by now

JarvusInnovations/node-posix,JarvusInnovations/node-posix,heavyk/node-posix,heavyk/node-posix,ohmu/node-posix,ohmu/node-posix,heavyk/node-posix,ohmu/node-posix,JarvusInnovations/node-posix