TrackMyPhotos: sync gpx

Invalid date

- 1.0
Now you have chance to select gpx files in selected photos folder, if exist. Such that you can select both photos and gps with Gallery App. (You have to place gpx in the same folder of photos)

- 0.9
Modify to handle large gpx file

- 0.8
For some devices, external SD Card cannot be accessed with the app's build-in file chooser. Now you can access it with Gallery App.