Implemented UC 04: Visualização do gasto da semana
Actualization of classes controller and presentation
Fixes #18 
1110363 and 1110324
Merge branch 'master' of https://github.com/PauloGandraSousa/EAPLI_2013_PL_2DI.git

Conflicts:
	eapli.ExpenseManager/src/eapli/expensemanager/controllers/BaseController.java
	eapli.ExpenseManager/src/eapli/expensemanager/presentation/ExpenseVisualizationUI.java
	eapli.ExpenseManager/src/eapli/expensemanager/repositories/ExpenseRepository.java
	eapli.ExpenseManager/src/eapli/expensemanager/repositories/inmemory/InMemoryExpenseRepository.java
Merge branch 'master' of https://github.com/PauloGandraSousa/EAPLI_2013_PL_2DI