Disable eclipse autoformatting

This interferes with our astyle setup and has caused nothing but
pain during this project.
Strip images from episode list descriptions
Remove useless multiple podcast update methods
Remove multiple episode update methods
Remove unused SearchKeywordDb class

This also allows us to remove the dangerous getEpisodesWhere method,
which bypassed our episode cache completely.
Remove all references to PodcastDAOImpl.i()
Shorten singleton retrieval code lines
Split podcast DAO into a simple dao & caching decorator

This was the original intention.