added View this month's expenditure
Merge branch 'master' of https://github.com/PauloGandraSousa/EAPLI_2013_PL_2DI
Fixes #19
Merge branch 'master' of https://github.com/PauloGandraSousa/EAPLI_2013_PL_2DI

Conflicts:
	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