Document robotDevastation tests

[jgvictores]

• [ ] testDeadScreen.cpp
• [ ] testDeadState.cpp
• [ ] testFSM.cpp
• [ ] testFSMBuilder.cpp
• [ ] testGameScreen.cpp
• [ ] testGameState.cpp
• [ ] testHUD.cpp
• [ ] testInitScreen.cpp
• [ ] testInitState.cpp
• [ ] testMentalMap.cpp
• [ ] testMockupAudioManager.cpp
• [ ] testMockupInputManager.cpp
• [ ] testMockupNetworkManager.cpp
• [ ] testRdImageManager.cpp
• [ ] testRdInputManager.cpp
• [ ] testRdMockupImageManager.cpp
• [ ] testRdMockupRobotManager.cpp
• [ ] testRdProcessorImageEventListener.cpp
• [ ] testRdYarpImageManager.cpp
• [ ] testRdYarpNetworkManager.cpp
• [ ] testSDLAudioManager.cpp
• [ ] testSDLTextDisplay.cpp

[David-Estevez]

Manual tests (the ones that do not use gtest) are the following:

• [ ] testHUD
• [ ] testRdInputManager (that probably should be named "testRdSDLInputManager" instead)
• [ ] testSDLTextDisplay

[David-Estevez]

Done!