Add riot.js link, Update repo link

Credit to the wonderful Riot library. We now send users to the public
repo page, so they do not see a page with a "you must log in" error on
it as the first thing.

js/pgsh.js

@@ -3,13 +3,13 @@ function pgsh() {
   this.welcome = ''
   this.responses = {
     'about': function() {
-      return 'This website belongs to Weiyi Lou ' + new Date().getFullYear()
+      return 'Site by Weiyi Lou ' + new Date().getFullYear()
     },
     'version': function() {
-      return 'Parsley Gardens Shell (pgsh) 1.0.0'
+      return 'Parsley Gardens Shell (pgsh) 1.0.0. Built with <a target="_blank" href="http://riotjs.com/">Riot.js</a>'
     },
     'git': function() {
-      return 'Self-Hosted Code repository at <a target="_blank" href="https://code.parsleygardens.net">code.parsleygardens.net</a>'
+      return 'Self-Hosted Code Repository at <a target="_blank" href="https://code.parsleygardens.net/explore/projects">code.parsleygardens.net</a>'
     },
     'hello': function() {
       return 'Hello to you too'