added shoppinglist model
added single add/remove item from list
Merge remote-tracking branch 'origin/sql' into additem
here be dragons

code has not been tested
changed bool to int
added construct for shoppinglist
finished getting items from db
test code for db
Add images
Merge pull request #1 from bpowell/images

Add images
Create README.md
Merge changes from master
UPDATE ALL THE THINGS

but really, get the list updating from the fragment and add images and
update the adapter and everything