assign address

Update DAOTest.scala

tests

added a few things

added address (not linked to user yet)

Update README.md

make grid editable, save changed records using the button

add tests for DAO

added support to run the application with in memory database

change update method from post to put

remove the grid cells to be editable, delete one record at a time

delete selected record from grid

include form for adding new records

make w2ui grid editable

update Readme