Import User Prior

[tramsauer]

Methods for importing user prior data have to be written.

So far, a standardized form of an csv file can be read (limitation should be in README..).

[tramsauer]

Implemented in soil moisture prior:
1601c63
needs to be done in veg prior.

[tramsauer]

This comment from above is out of date (#24 (comment)):

So far, a standardized form of an csv file can be read (limitation should be in README..).

Currently foreseen:

1. spatial & temporal flat prior (unc & mean in config file)
2. temporal flat, spatial 'dynamic' (1 Geotiff)
3. temporal & spatial dynamic (directory of Geotiffs)

In my view a temporal dynamic but spatially 'flat' prior could easily be integrated as well in the via the config file by either

• a dictionary indicating the month/doy/parsable string ("2017-01-05")? the data is available at:

    - mean: {'1': .5,  '2': .45, ...} 
    - unc: {'1': .05,  '2': .05, ...}

• list of monthly value (always 12):

    - mean: [.42, .40, .36, .3, .28, .25, .23, .18, .22, .29, .32, .37]
    - unc: [...]