Freeze cross-browser node order for curated trees.
Freeze cross-browser node order for curated trees.

Replace a bogus (no-op) sort with a standard laddering, with alpha-sort
of node labels as the tie-breaker. Fixes #1106.

OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree