TODO:
- create activity for about information
- add credits to about information
- switch to Log4j for logging (maybe)
- write debugging logs to sub-directory in user's home instead of ~/Android/data/org.stendhalgame.client
- replace title_03 (Land of Fearless), title_04 (Rejoicing), & title_05 (The Old Tower Inn) music with non-looping versions or fix loops