removed helen as a maintainer, added chase to contributors

package.json

@@ -26,11 +26,11 @@
 	"author": "Bevry Pty Ltd <us@bevry.me> (http://bevry.me)",
 	"maintainers": [
 		"Benjamin Lupton <b@lupton.cc> (https://github.com/balupton)",
-		"Helen Lupton <b@lupton.cc> (https://github.com/hele)",
 		"Chase Colman <chase@infinityatlas.com> (https://github.com/chase)"
 	],
 	"contributors": [
 		"Benjamin Lupton <b@lupton.cc> (https://github.com/balupton)",
+		"Chase Colman <chase@infinityatlas.com> (https://github.com/chase)",
 		"Nick Crohn <ncrohn@me.com> (https://github.com/ncrohn)",
 		"eldios <lele@amicofigo.com> (https://github.com/eldios)",
 		"Changwoo Park <pismute@gmail.com> (https://github.com/pismute)",