roles have been partially enforced on the supplier

john_doe is now a manger, and josh is a reciver
Format the invoice (not done)
Signed-off-by: Chih-Hsuan Huang <gemhuang2151992@gmail.com>
Merge branch 'master' of https://github.com/truly-auto/SENG403.git

Conflicts:
	src/main/java/FoodLink/gui/SupplierSys.java
Merge branch 'master' of https://github.com/truly-auto/SENG403

Conflicts:
	src/main/resources/SQL/Tables.sql

Merging my branch with master.. i think
can now set up automatic ordering of items when they dip below a certain threshold
added functionality to log out button

easier to demo
Merge branch 'master' of https://github.com/truly-auto/SENG403

Conflicts:
	src/main/java/FoodLink/gui/SupermarketSys.java

syncing with master branch
Better formatted invoice
Signed-off-by: Chih-Hsuan Huang <gemhuang2151992@gmail.com>
Merge branch 'master' of https://github.com/truly-auto/SENG403.git
finishing printing invoice
Changed the Design of the Login
Changed Design of GUI for Supermarket

-added logo
-changed button colour
-have the title of the new order tab change to selected supplier's name
-changed the icon colours
-changed the window size of supplier to be the same as login and
supermarket
removing github lines
Merge branch 'master' of https://github.com/truly-auto/SENG403

Conflicts:
	src/main/java/FoodLink/gui/SupermarketSys.java

merging to master from shell
removing git hub lines
Removed merge conflict garbage
added more sample data to tables
Merge branch 'master' of https://github.com/truly-auto/SENG403

Conflicts:
	src/main/resources/SQL/Tables.sql

added more sample data
fixing tables.sql
-changed buttons to gradient
-removed some of LookandFeel to allow personalized design
-added Logo to Supplier (Not 100% working correctly)