added exception handler for add drinks class
minor change to DB
deprecated unused classes, cleaned up code and added Javadocs, added
function in db to delete drink from all-drinks table
2.1 - added ability to delete drinks in database by ability to long
press item in list
removed unused food options, increased performance of queries
removed raw text / loading screen, added standalone  database; commented out old parsing code
accepting merge
accepting merge
Merge pull request #7 from zherr/master

Removed need for reading from text file at startup + more