Collect metadata from glb file

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

extension.json

@@ -23,6 +23,11 @@
 	"ExtensionMessagesFiles": {
 		"GlModelHandlerMagic": "GlModelHandler.i18n.magic.php"
 	},
+    "MessagesDirs": {
+    	"GlModelViewer": [
+	    	"i18n"
+    	]
+    },
     "ResourceFileModulePaths": {
       "localBasePath": "modules",
       "remoteExtPath": "GlModelViewer/modules"
@@ -37,12 +42,16 @@
             ],
 			"dependencies": [
 				"mediawiki.util",
+                "mediawiki.storage",
 				"mediawiki.api"
 			]
         },
         "ext.glmv.upl": {
             "styles": [
                 "glmv-upl.css"
+            ],
+			"dependencies": [
+                "mediawiki.storage"
             ],
             "packageFiles": [
                 "glmv-upl.js"