Updated gemfile, added comments to repairer, updater, and uninstaller task stubs

lib/application_manager/tasks/updater.rb

@@ -0,0 +1,19 @@
+class W3DHub
+  class ApplicationManager
+    class Updater < Task
+      def type
+        :updater
+      end
+
+      def exec_task
+        # Fetch manifests
+        # Load manifests
+        # build file list
+        # find new packages
+        # unpack new packages
+        # TODO: detect patch files and handle them
+        # update installed game version
+      end
+    end
+  end
+end