Update composer.json: renommage packages composer.

composer.json

 {
-  "name": "unicaen/unicaen-oauth",
+  "name": "unicaen/oauth",
   "description": "Serveur OAuth2 authentifiant soit via LDAP, soit via CAS",
   "license": "proprietary",
-  "authors": [
-    {
-      "name": "Bertrand GAUTHIER",
-      "email": "bertrand.gauthier@unicaen.fr"
-    }
-  ],
   "repositories": [
     {
       "type": "vcs",
@@ -18,7 +12,7 @@
     "zendframework/zend-servicemanager": "~2.4 || ^2.5 || ^7.0",
     "zendframework/zend-authentication": "~2.4 || ^2.5 || ^7.0",
     "zfcampus/zf-oauth2": "^1.4.0",
-    "unicaen/unicaen-ldap": "~2.1",
+    "unicaen/ldap": "~2.1",
     "jasig/phpcas": "^1.3.4"
   },
   "autoload": {