Added references to where the cover and dashboard css files came from
Added in the country, address, address type and status models + tests
Added in the basic address table class and accompanying test
Added in the basic address type table class and accompanying test
Added in the basic status table class and accompanying tests
Added in the basic country table class and accompanying tests
Added in a function to return a set amount of the most recent feeds

Not truly required, but helpful to use when looking for just the most
recent data.
Added functionality to search feed data base on a date range
Merge branch 'feature/add_more_feed_functionality' into develop