[GRASS-git] [OSGeo/grass] cea6b8: Using JSON for GUI settings (#1015)

[Anna Petrasova]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: cea6b84506bceeba09ec6f99c97130d91692b095
      https://github.com/OSGeo/grass/commit/cea6b84506bceeba09ec6f99c97130d91692b095
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2020-10-15 (Thu, 15 Oct 2020)

  Changed paths:
    M gui/wxpython/core/settings.py
    M gui/wxpython/wxplot/dialogs.py

  Log Message:
  -----------
  Using JSON for GUI settings (#1015)

Replaces strange custom format with JSON.
Is backwards compatible, if wx.json does not exist, uses wx instead (if exists), always writes json.
Fixes wxplot settings dictionary to contain color as tuple, not wx.Colour.