Bugfix release (Android 4.0 onwards only):
- Fix: Avoid crash during file operation
- Fix: Avoid crash when checking for Locus installation
- Fix: Avoid failure when parsing original coordinates of a GPX file
- New: Show warning when c:geo is running in debug mode
- Fix: Fallback if selected GPX export dir is not writeable
- Fix: Add .nomedia file to geocache data dir to prevent log photos from showing up in gallery apps
- Removed: Link to Android Wear app in useful apps