Question: I would like to allow the user of my XULRunner based app to be able to do copy/paste via a context menu. 
Keyboard shortcuts Ctrl-C and Ctrl-V are already working fine

Answer: 
Three best links I could find are :

<http://www.mahalo.com/answers/what-is-the-process-to-submit-an-application-to-itunes>

<http://help.appmakr.com/entries/218997-how-to-upload-your-app-to-itunes-connect-using-application-loader>

<http://www.weston-fl.com/blog/?p=2442>
Go to developer.apple.com/ios, log in, look on the right for itunes connect, click on "manage apps", click "add new application" and follow directions for submission. You must be a registered apple developer and have already paid the developer fee.