Changes

Likely non-bit-changing housekeeping (#1213)

Non-bit-changing housekeeping regarding wp2 clipping
CLUBB ticket #1165

Renamed threshold_array -> wp2_min_array
Moved upper clipping of wp2 into clip_variance
Added warning outputs where wp2 is hard-clipped
Added debugging checks to hole-filling and wp2_min_array clipping
Some necessary OpenACC-modifications

Fix pyplotgen timeheight cmaps (#1212)

* Fixed time-height plot colormaps
CLUBB ticket #1199

Added a "quick" fix for time-height plot colormaps when variables are not correlations (i.e. values in [-1;1])
Updated VariableGroupCorrelations to include all correlations that are usually output in CLUBB.

* Fixed time-height plot colormaps
CLUBB ticket #1199

Fixed distinction for colormaps in time-height plots and added tick formatter.
We now check the labels for the string "corr" to find correlation variables.
Otherwise we just use one-sided or two-sided normed colormaps.