Images GeoRef Tool Update (CAM Msg + CleanUp)

Added CAM messages as georef source for images
Clean Up of code and addition of classes for easy future upgrades
Added subfolder creation for geotagged images
update Readme.txt
increase sphere point size
fix reset to defaults
reduce mag calib point count requirement
tweak airport locations
add clear logs verify
Merge pull request #453 from wjax/master

Images GeoRef Tool Update (CAM Msg + CleanUp)
remove .gitattributes
as it breaks things