Application updating and repair is now possible, save news and applications listing to cache directory instead of current working directory, added support for application unlinking, misc. other changes

lib/worker/api/application.rb

@@ -80,6 +80,10 @@ module W3DHubLauncher
             extended_data("serverchannel", @id)
           end
 
+          def update_available?(current_version)
+            current_version < @version
+          end
+
           def to_json(context = nil)
             {
               "id": @id,

lib/worker/api/settings.rb

@@ -41,6 +41,22 @@ module W3DHubLauncher
           applications.find { |app| app.id == app_id && app.channel == channel_id }
         end
 
+        def add_or_update_application(application)
+          index = applications.index { |app| app.id == application.id && app.channel == application.channel }
+
+          if index
+            applications[index] = application
+          else
+            applications << application
+          end
+
+          application
+        end
+
+        def remove_application(application)
+          applications.delete(application)
+        end
+
         # User explictly set options
         class Preferences
           SCHEMA = 0