Implemented the GenomicAlignTree order in sorted_children too (overrides NestedSet)
Implemented the GenomicAlignTree order in sorted_children too (overrides NestedSet)

sort_children is now deprecated (the name wasn't great anyway, since it
doesn't sort in-place). Also renamed _sort_children to _cmp_children to
match what the function is doing

Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara