Reordered API exports to improve readability
Reordered API exports to improve readability

refs https://github.com/TryGhost/Team/issues/513

- Having exports in no particular order was making it hard to spot if there's anything missing
- Having a DESC order on the exported API versions makes it very easy to modify and maintain in the future

TryGhost/Ghost,janvt/Ghost,bitjson/Ghost,e10/Ghost,ErisDS/Ghost,e10/Ghost,TryGhost/Ghost,janvt/Ghost,TryGhost/Ghost,bitjson/Ghost,ErisDS/Ghost,ErisDS/Ghost