started learning 087 revised generating rss feeds
updated rails to 3.2.16
fixed the version of gemset
using xml builder generate basic atom feed
using atom_feed instead of xml_feed
new builder and correct the syntax error
added some other product
added field for updated
standard feed icon
image link to atom feed
added auto discovery_link to the view page
finished 087 revised generating rss feeds
Merge pull request #356 from fireweb/master

Finished 087 generating rss feeds