Corrected the path to the database

The path was broken duringthe renaming patch
2ec10e0 -  Updated path from /GPS/ to /GPSLogger/ — laf
Added GPS mode

By adding a config for GPS mode you can set how trustworthy a location must be before you use it
mode 2 is good for a spot on the face of the earth
mode 3 lets you know your hight as well !
Merge pull request #3 from chrisjoyce911/master

Corrected the path to the database