doc: reorder collaborators by their usernames
doc: reorder collaborators by their usernames

Fixes: https://github.com/nodejs/node/issues/1972
PR-URL: https://github.com/nodejs/node/pull/2322
Reviewed-By: orangemocha - Alexis Campailla <9c2cdb724be23f67dce68366531dd149b4c97628@nodejs.org>
Reviewed-By: thefourtheye - Sakthipriyan Vairamani <b84950071fc99921a72f4fa56f6cad2496b3223c@gmail.com>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node