Ok, I'll explain again. The cocos2d-x guys grabbed spine-cocos2dx, modified some stuff, and put it in cocos2d-x. I don't know what they did or how to update from spine-cocos2dx to what they did. I recommend not using the Spine runtime inside cocos2d-x and to instead use the latest official spine-cocos2d runtime from github.
Yes, project import should be fixed now.