[KeyFrame] error to understandable warning

+ whenever a bone is found that have no children it is now considered a
warning and a proper information is given to the console
+ each major step of conversion is now marked
+ error log util now asserts, so it also shows call stack
[Animation] non-looping

+ reading ‘looped’ param from SCML
+ pushing it to the AnimationClip
+ the rest of the code was there already, just forgot to connect it…
[convert] additional space for log

+ animations seems to more connected to the prefab