dist-tag: make 'ls' the default action (#106)

I keep typing `npm dist-tags` expecting it to print out a list of
dist-tags and instead it yells at me and that feels very un-npm-y.

PR-URL: https://github.com/npm/cli/pull/106
Credit: @isaacs
Reviewed-By: @zkat

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/dist-tag.js b/lib/dist-tag.js
index bd0c5ae8a..534cbe94c 100644
--- a/lib/dist-tag.js
+++ b/lib/dist-tag.js
@@ -40,7 +40,7 @@ function distTag (args, cb) {
     case 'ls': case 'l': case 'sl': case 'list':
       return list(args[0], cb)
     default:
-      return cb('Usage:\n' + distTag.usage)
+      return list(cmd, cb)
   }
 }