order of elements of area needed for doc strings

[alaniwi]

All of these need fixing to say what order the area elements are in:

• daops/daops/ops/subset.py

  Lines 54 to 55 in 3282f63

  	area: Area to subset over, sequence or string of comma separated lat and lon
  	bounds. Must contain 4 values.

• https://github.com/roocs/clisops/blob/870c78046a0e4b516350e33200027a2dd41dd099/clisops/ops/subset.py#L218

• https://github.com/roocs/roocs-utils/blob/7c19fe79ffc6999bd7e67a93041db7d8ef75e638/roocs_utils/parameter/area_parameter.py#L12-L17

It turns out that the answer is west, south, east, north:

https://github.com/roocs/roocs-utils/blob/7c19fe79ffc6999bd7e67a93041db7d8ef75e638/roocs_utils/parameter/area_parameter.py#L48-L54