login progress

the login can verify a user based on database, and prints out login
succesful which will be replaced with functionality later
Login is funtional for supplier side

1. Insert supplier user into tables.sql
2. rebuild database
3. run the program using the driver.java class
added fields to order constructor
Start on ordering page
a table for ordering items
Login is done

supplier user - 'John_Doe' password- 'password'
superMarket user - 'Jane_Doe' password- 'password'

to run use driver.java class
Merge branch 'master' of https://github.com/truly-auto/SENG403
Order history table formatting
Better table formatting
trying to merge these files to master