add feedjira gem
create podcast and episode database model
display all episodes of a podcast in show page
add podcast by feedurl
import all episodes of a podcast
setup sidekiq and redis environment
also destroy episodes if the corresponding podcast is deleted
perform update_feed in the background via sidekiq
perform fetch_feed and update_feed in background
add update_single_feed
add update_all_feeds
add todo
allow larger pool
add custom feed elements
order episodes by date
add abitlity to delete all episodes of a podcast
escape harmful stuff in rss entries before importing it to the DB
add some more rss elements to parse into the DB
remove notice elements here because they are in application.html
move links up
show episode and podcast images to see if the links are correct