add "list" and "ls" aliases for "instances", fixes #34

lib/do_instances.js

@@ -150,6 +150,6 @@ do_instances.help = (
     + '{{options}}'
 );
 
-do_instances.aliases = ['insts'];
+do_instances.aliases = ['insts', 'list', 'ls'];
 
 module.exports = do_instances;

test/integration/cli-subcommands.test.js

@@ -28,7 +28,7 @@ var subs = [
     ['services'],
     ['datacenters'],
     ['create-instance', 'create'],
-    ['instances', 'insts'],
+    ['instances', 'insts', 'list', 'ls'],
     ['instance', 'inst'],
     ['instance-audit', 'audit'],
     ['start-instance', 'start'],