Imported base code.
Merged build from development branch
???
Merge branch 'development'

Conflicts:
	POS/.gitignore
	POS/src/ee/ut/math/tvt/SETeam42014/Intro.java
	POS/src/ee/ut/math/tvt/salessystem/domain/controller/SalesDomainController.java
	POS/src/ee/ut/math/tvt/salessystem/domain/controller/impl/SalesDomainControllerImpl.java
	POS/src/ee/ut/math/tvt/salessystem/domain/data/DisplayableItem.java
	POS/src/ee/ut/math/tvt/salessystem/domain/data/SoldItem.java
	POS/src/ee/ut/math/tvt/salessystem/domain/data/StockItem.java
	POS/src/ee/ut/math/tvt/salessystem/ui/SalesSystemUI.java
	POS/src/ee/ut/math/tvt/salessystem/ui/model/PurchaseInfoTableModel.java
	POS/src/ee/ut/math/tvt/salessystem/ui/model/SalesSystemModel.java
	POS/src/ee/ut/math/tvt/salessystem/ui/model/SalesSystemTableModel.java
	POS/src/ee/ut/math/tvt/salessystem/ui/model/StockTableModel.java
	POS/src/ee/ut/math/tvt/salessystem/ui/panels/PurchaseItemPanel.java
	POS/src/ee/ut/math/tvt/salessystem/ui/tabs/HistoryTab.java
	POS/src/ee/ut/math/tvt/salessystem/ui/tabs/PurchaseTab.java
	POS/src/ee/ut/math/tvt/salessystem/ui/tabs/StockTab.java
Fixed bug with canseling order and subtracting goods