Added ACF5 support

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@946410 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed problem with target width and height

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@946411 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version and version history

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@946412 b8457f37-d9ea-0310-8a92-e5e31aec5664
Removed debug output

git-svn-id: https://plugins.svn.wordpress.org/acf-image-crop-add-on/trunk@946413 b8457f37-d9ea-0310-8a92-e5e31aec5664