Put RUNs in the right order

[WalterKolczynski-NOAA]

What new functionality do you need?

The rocoto workflow currently lists the gdas tasks first, then enkfgdas, then gfs. However, this is reversed from the logical order, where [enkf]gfs is the "early cycle" and [enkf]gdas is the "late cycle".

What are the requirements for the new functionality?

Rocoto jobs appear in the order:

gfs
enkfgfs
gdas
enkfgdas

Acceptance Criteria

• rocoto jobs appear in the correct order
• All else is otherwise identical

Suggest a solution (optional)

Should be as simple as reordering the list of RUNs created in gfs_cycled.py