Adding Tests for Today

Description: Adding unit tests for today implementation

Commit: Add

TaskNumber: #5
Merge branch 'today-entity' of github.com:androidzin/ponto-pro into today-entity
Merge branch 'today-entity' of https://github.com/androidzin/ponto-pro into NotificationManager

Conflicts:
	src/br/com/androidzin/pontopro/model/Today.java