Added customer class
Merge branch 'master' into darren
Merge branch 'master' into darren
Merge branch 'master' into darren
Created class structures
Added Sale and Order Classes
Removed unnecessary comments
Shop GUI Basic
Shop GUI Basic
Merge branch 'niall'
Shop Basic Menu Working
Nicer login to main menu
Nicer shop gui
Order and Sale classes complete
8 buttons on main menu
Invoice and Order tests done
Customer and Product test done
Updated shop 4 across 2 down grid
Stock test done
Merge branch 'niall'

Conflicts:
	src/Shop.java