Amend spelling of ISIKHNAS in exercise_data
Update static_en/classification/ images. Mostly 015 to 029
Update static_id/classification/ images. Mostly 015 to 029
Commit updated images in static_en and static_id
Commit updated animal_health .rst files
Commit updated answers.rst file
Add Indonesia_regions_32750 and Indonesia_regions_WGS84 to
exercise_data/world
Remove all data files from ISIKHNAS folder