display correct URI on environment create

Author: sdelano

chef-server-api/app/controllers/environments.rb

@@ -55,7 +55,7 @@ def create
 
     env.cdb_save
     self.status = 201
-    display({:uri => absolute_url(:role, env.name)})
+    display({:uri => absolute_url(:environment, env.name)})
   end
 
   # PUT /environments/:id