updates composer references to git repositories after move

Obojobo-Classic moved from being closed source to open source.
When it did, the repositories moved to a new org on Github and the
urls changed.  This update formally updates those links to make things
easier to understand and probably help future proof those issues

composer.json

@@ -8,19 +8,19 @@
         },
         {
             "type": "git",
-            "url": "git@github.com:ucfcdl/Obojobo-Wordpress-Stats-Plugin.git"
+            "url": "https://github.com/ucfopen/Obojobo-Wordpress-Stats-Plugin.git"
         },
         {
             "type": "git",
-            "url": "git@github.com:ucfcdl/Obojobo-Wordpress-RocketD-Plugin.git"
+            "url": "https://github.com/ucfopen/Obojobo-Wordpress-Stats-Plugin.git"
         },
         {
             "type": "git",
-            "url": "git@github.com:ucfcdl/Obojobo-Wordpress-Theme.git"
+            "url": "https://github.com/ucfopen/Obojobo-Wordpress-Theme.git"
         },
         {
             "type": "git",
-            "url": "https://github.com/ucfcdl/php-saml.git"
+            "url": "https://github.com/ucfopen/Obojobo-Wordpress-RocketD-Plugin.git"
         }
     ],
     "require": {