Package Application Updater

Command glxapp_checkForUpdate	Checks if an update for you application is available on the update server.
Command glxapp_installUpdate	Begins the application update process by downloading the updater stack from the server.
Command glxapp_promptUserToUpdate	Ask the user if they would like to update their version of the application.
Command glxapp_updateIfAvailable	Checks if an update is available. If so then the user is prompted to update and the update process begins.
On glxapp_updaterDownloaded	This message is received when the application updater stack finishes downloading from the update server.
Command glxapp_validateAndLaunchUpdater	Launches the updater stack and runs the updater.