Consolidate synth records to one per major release
Consolidate synth records to one per major release

- Harmonize dates with current documentation
- Move earliest stats to synth v2 at original date
- Remove redundant/alt entries for each release.

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