Fixed links on RSS feed widgets on dashboard.

- request.protocol already includes :// dont need to add :// in the gsub.
- changed code to wrap link on whole tr tag instead of just a title.

Fixes #271
https://bugzilla.redhat.com/show_bug.cgi?id=1156502
https://bugzilla.redhat.com/show_bug.cgi?id=1156602