If there is no nerwork connection but a feed was saved before in a persistent storage, do not show error HUD, show the table with "cached" data and alert.
If there is no nerwork connection but a feed was saved before in a persistent storage,
do not show error HUD, show the table with "cached" data and alert.


git-svn-id: de098944496d99a526405b0ca0c6b0618b5163f8@383 59dca7bf-9055-4625-9011-bab61c547c97

umangkedia/cern-app,umangkedia/cern-app