[MacPorts] #36343: Update Gwyddion to version 2.30

[MacPorts]

#36343: Update Gwyddion to version 2.30
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 Reporter:  feranick@…  |      Owner:  macports-tickets@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.1.2
 Keywords:              |       Port:  gwyddion
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 Gwyddion 2.30 has been released upstream. Gwyddion in macports should be
 therefore upgraded from the current version 2.29.

 http://gwyddion.net

 Changelog:

 Application

     Translations updated: French, Russian.

 Libraries

     libgwyprocess: A new function to remove grains touching image borders.
     libgwyprocess: New grain quantities: Radius and position of maximum
 inscribed disc and minimum excscribed circle, area of grain convex hull,
 mean radius.
     libgwyapp: Critical warning/crash if the last visible channel of a
 file is deleted and this channel has a mask.
     libgwyapp: Setting a channel or graph visibility key in a container
 actually shows or hides the corresponding data.

 Modules

     Neural network: Split to two functions: training and application.
 Networks can be saved, trained on multiple data (sequentially), training
 signal can be masked, units of the output can be specified.
     APE file: Channel labelling for various modes was corrected.
     Createc: Dimensions and values of imported data was corrected, all
 channels are imported now.
     IGOR file: Crash on files that contain no channel titles was fixed.
     Selection manager tool: Chosen selection is shown in the data window.
     Remove Grain by Threshold: Can also remove grains touching image
 borders.
     Grain Statistics: Select Inscribed Discs and Select Excscribed Circles
 create circular selections visualising the corresponding discs/circles.
     Grain correlations: Really works when run non-interactively.

 Other

     Compatibility with newer version of GLib that deprecate various things
 was improved.

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Ticket URL: <https://trac.macports.org/ticket/36343>
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