fix image behaviors
fix image behaviors 2
fix image behaviors 3
fix image behaviors 4
fix image behaviors 5
fix image behaviors 6
fix image behaviors 7
fix image behaviors 8
add image deleting
add KvSortableBehavior
fix KvSortableBehavior
fix KvSortableBehavior
fix KvSortableBehavior
fix KvSortableBehavior
fix KvSortableBehavior 2
fix KvSortableBehavior 3
fix KvSortableBehavior 4
fix KvSortableBehavior 5
fix updatePosition()
Merge branch 'develop'