Log Message:
Update to 3.12.1:

2014-10-26 meld 3.12.1
======================

  Fixes:

   * Work around change colours not displaying on GTK+ 3.14 (Kai Willadsen)
   * Fix missing cache opcodes in some circumstances (Kai Willadsen)
   * Fix text view expansion when resizing patch dialog (Kai Willadsen)
   * Build fix to always include C locale when LINGUAS is set (Kai Willadsen)

  Translations:

   * Rafael Ferreira (pt_BR)
   * Мирослав Николић (sr, sr@latin)