NewsReader: Edit the name and link of an existing feed; support categories

[Louis-CR]

Hello,
First of all, thanks for this app. It's working on my Windows Phone !

Here's small requests :

• Categories for feeds
• Edit a flow : ability to set up a name and edit the rss link when it has changed.

thanks

[jbe2277]

Thank you for the feedback. I will consider your request for future versions.