008, 009 - tweaking and sounds

008  Aug 2nd, 2013
- added "best time" functionality
...added 3 functions (bestTime,writeTimeFile,readTimeFile) and a few
constants to maintain a "Best Times" (aka high score) file
...implemented logic to game loop to write best times
...added times window to main menu and a createTimesWin() function to
create it
- moved times.dat (best times file) and above.dat (aboveground map file)
to data folder
- all menu's now complete!

008  Aug 5th, 2013
- added some missing comments! also minor changes to tweak the games
difficulty/fun-ness, mainly in Miners updateStats and to game constants
- added in some basic sounds (hitting, breaking, shopping) and also
added necessary constants
- lots of final testing, some minor bug fixes, and more tinkering with
the constants
- last minute fix...have to check for stat type before multuiplying
zombie stats based on random pos