Change the way entities are sorted

[AntoninGoslin]

The sorting methods are taking a lot of space in the profiler due to a lot a string contruction in the printOn methods.
The three sorting methods should be regrouped into a single method based on anchor sources and not names.
Anchor sources would save execution time and will bring a cleaner profiler.

[AntoninGoslin]

We are now using mooseName instad of printOn that are expensives in comparisons