select Day and Month to get daily sales
Financial Sale and Expense day,week,month selection complete
Graphs work for Sale,Expenses and Proft
Merge branch 'master' into darren

Conflicts:
	sales.ser
	src/GUI/FinancialFormListener.java
	src/GUI/FinancialFormPanel.java
	src/GUI/FinancialMainPanel.java
	src/model/Shop.java
	stocks.ser