Squashed 'Assets/ThirdsParty/Spriter2Unity/' content from commit 7425551

git-subtree-dir: Assets/ThirdsParty/Spriter2Unity
git-subtree-split: 74255515d0f7ec938c582272bc8956c57ff0f35b
Merge commit 'eee4ff779bd107074c8e783487eac31964bb4749' as 'Assets/ThirdsParty/Spriter2Unity'