Improvements to animation management AI

- The ability to batch copy/paste in the animation editor would be EXTREMELY useful, and it's a bit weird that it's not in already. Without it, it's extremely tedious to import tons of frames at once and then to split them into smaller animations.
- The ability to change collisions in batch in the editor.  This is also very tedious, especially without even being able to change the selected animation with the arrow keys.

This would be fantastic - especially the duplication of collusion shapes! from frame to frame.

What I'd really love to see though, is integration with spine from http://esotericsoftware.com

- The ability to batch copy/paste in the animation editor would be EXTREMELY useful, and it's a bit weird that it's not in already. Without it, it's extremely tedious to import tons of frames at once and then to split them into smaller animations.
- The ability to change collisions in batch in the editor.  This is also very tedious, especially without even being able to change the selected animation with the arrow keys.

+1