Merge pull request #18 from bthet4d/master

Moved getAllShoppoigListsFromDB to groceriesWindow and removed the HashMap from the GroceriesListWindow constructor. Delete button now works and updates the Jlist
Added the line to set window visible that I mistakenly deleted
Refined button functionality and window refresh, cleaned up Main and BananaHome, removed button to access FridgeWindow for future versions
Merge pull request #19 from tinsweep/banana-gui3

Refined button functionality and window refresh, cleaned up Main and Ban...
Remove button now working. Added DAO method to delete specific items.