Fixed wrong reference to settings causing php warning on ext pages

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@949802 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed acf-image-crop-field getting hidden in repeater/flexible content fields

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@949803 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version and version history

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@949804 b8457f37-d9ea-0310-8a92-e5e31aec5664