JsonLoader should verify that the JSON data do include a meta.image property
Fix pivot of non rotated display objects
Merge pull request #1164 from GillesVermeulen/non-rotated-pivot-fix

Fix pivot of non rotated display objects
republished files
bump versions to v2.1.1
Merge pull request #1140 from elsassph/fix/jsonloader-spritesheet-validation

JsonLoader spritesheet format validation