consolidated data overseer/harvester into cache_data; handled already-deleted event files
don't re-raise; make key deletion live
Merge pull request #3 from tristaneuan/master

consolidated data overseer/harvester into cache_data; handled already deleted event files
current progress with getting multiprocessing working with services -- missing titles keeping us from moving forward
all of this is working now
actually writing to cache now, duh!
update default ami
added zone and region support