HTTP test response working
Basic RSS reading and display items in menu
Build menu with item links
Add some custom rss icons
Add custom applet icon
Add RSS highlighted
Added load/save for feedreader items
Update add_items and set_item_read

- Only add new items to list
- Add function to mark item as read
Implement menu click callback for FeedMenuItem
Feed reader save data saves feed metadata too
Set applet icon based on unread items
FeedMenuItem icons added
Support multiple instances
Simplified regular expression to strip xml header

- Was causing errors "regular expression too complex" on some RSS
  streams
Added Cinnamon settings for setting feed URL
Add setting for maximum number of feed items
Remove redundant refresh function from FeedMenuItem
Add context menu for accessing settings
Revert to monochrome theme and add stylesheet hooks
Work in progress on feed title item