Gwyddion Files

Application:
- Translations updated: Czech.

Libraries:
- libgwyprocess: Functions for angularly averaged 2D PSDF were added.
- libgwyprocess: Fixed brick transposition not updating the real dimensions
  correctly.
- libgwyapp: Row levelling in file open preview was changed to median, avoiding
  the global tilt sometimes added by median difference.
- libgwyapp: GwyParamTable reset is actually handled for range-from and range-to
  type controls.
- libgwyapp: Items in metadata browser can be filtered by name.

Modules:
- Volume clustering (new): Volume data clustering, replacing volume k-means
  and k-medians and adding new methods, such as DBSCAN.
- Zyvex (new): Imports ZyVector Scanz data files.
- Accurion ellipsometry (new): Imports ASCII data maps exported from Accurion
  ellipsometers.
- K-means, K-medians: Removed (replaced with Volume clustering).
- HDF5 and a dozen other file modules: Import is now corectly recorded in the
  log.
- 2D ACF, 2D PSDF: Wrong sensitivity of target graph selector was fixed.
- 2D PSDF: The output curves are just sections of the 2D PSDF and have the same
  units as 2D PSDF.
- Statistical functions: Angularly averaged PSDF was added.
- Wave synthesis: Incorrect phase and amplitude outputs for cosh waves were
  corrected. Complementary displacement wave output was added. Underflow is
  handled better, allowing farther sources with decay.
- Coerce: Skew parameter of skew-normal distribution can be negative.
- Curve Map Find Position: Fixed possible crash when working with individual
  curve segments.
- Frequency split: Spectral density plot not displaying with wide and flat
  images was corrected.

Others:
- Compilation: Python detection on python3-only systems was fixed, making
  build scripts actually work there.