create a trial mode, which draws a watermark on every other lap
Improve phone/OS compatibility
rename external directory
add method for finding crash directory
remove unused
eliminate double slash in crash dir
null pointer protection for files
Support wifilapper databases, read-only
crash log directory is subdirectory of speedfreq
amazingly, the directory name must be in all lower case for the S3,
otherwise, can't create files in it
eliminate warnings about being a location manager.  add an option to
force a crash
fix reporting on old android versions, where available space > 4GB