22.0: Changed prefs page to have buttons
to expand and contract each section.
21.9: Added option to show proximity
circles around waypoints on Google Map page. Fixed bug with timer
when auto-rotate enabled. Fixed bug with DMS/DM entry.
21.8: Copy photo orientation from EXIF
data added by camera when taking geotagged photos from app.
21.6: Bug fixes. Updated to use more
recent version of Google Play Services.
21.4: Fixed another bug with taking
photos from the app.