Changes

add dycore grid with conservative remapping scheme

* add tunable parameter interp_from_dycore_grid_method

* add dycore interpolation to atex case with conservative remapping by ullrich

* remove new gpu commands

* add acc annotation for gpu

* remove acc annotation again

* add acc annotation for parallel loop

* add acc annotations for parallel loop execution

* change remapping subroutine to take number of levels and levels as input instead of whole grid object

* add more general functions to interpolate

* add and refactor functions for remapping values given on zm levels

* fix compiler errors and refactoring to stay under 100 chars per line

* remove TODOs and used new interpolating function in interpolate_forcings

* add functions for adaptive grid generation and grid density function normalization

* add conservative ullrich remapping to cases with forcing time dependent inputs

* add grid adaptation and flag

* clean up and add warning for case when remapping from dycore flag cannot be used

* some refactoring

* add logical flag for dycore and renamed flags for dycore and grid adaptation

* remove ifdefs

* refactoring

* add units

* changed Lscale to inverse

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Co-authored-by: Steffen Carstensen <steffenc34@icloud.com>

add flags (#186)

* add two new flags

* add unset_i

* add new logical flag for dycore and renamed flags for dycore and grid adaptation

* small fix