Added Specific ignoreOlderThan value (override) per URL Feature, Issue #3360

[AartiPhatke]

Hello, I added the feature request in the newsfeed module for being able to set ignoreOlderThan for each newsfeed rather than have a global variable for it. To do this however, instead of adding an ignoreOlderThanOveride parameter, I changed ignoreOldItems and ignoreOlderThan to be arrays so they can hold values for each news feed. I also changed the logic for how these variables are accessed in generateFeed(). I also ran 'npm run test' and some of the unit tests for the calendar module were failing, I don't think this is related to my PR but I wanted to mention it. Hope this helps!

[sdetweil]

it would be easier to add the variables for each feed and then use a function that returned the feed value or the default if not specified

and use that function instead of the direct value access in the genersteFeed function

[AartiPhatke]

Hello, I made this fix!