2021-02-13 meld 3.20.3

Fixes:

• Fix folder comparison sensitivity breaking when cancelling a scan (Kai
  Willadsen)
  

• Fix Subversion comparsion on Python 3.9 (Kai Willadsen)
  

• Retain clipboard contents after exiting Meld (Kai Willadsen)
  

• Fix wrapping in notification bars (Kai Willadsen)
  

• Fix border width in our file selection dialog (Kai Willadsen)
  

• Fix occasional traceback when closing comparisons (Kai Willadsen)
  

• Update links to reflect move to Discourse (Kai Willadsen)

• Issues fixed: 432, 451, 482, 499, 502, 526

Translations:

• Andika Triwidada (id)
  
• Daniel Șerbănescu (ro)
  
• Sabri Ünal (tr)
  
• Stephan Woidowski (de)
  
• Yuri Chornoivan (uk)
  
• Мирослав Николић (sr)