Log Message:
Updated meld to 3.17.2.

2017-06-11 meld 3.17.2
======================

  UI changes:

   * Significantly improve synchronisation of scroll bars between panes; we
     now try much harder to scroll all of a chunk on screen at the top and
     bottom of comparisons, and handle last-line-in-file cases better (Kai
     Willadsen)
   * Place the cursor at the start of a replaced chunk instead of after it;
     this change should improve keyboard ergonomics when doing three-way
     merges, but does change our existing behaviour (Kai Willadsen)
   * Remove Shift-based scroll locking; this was already broken by a GTK+
     change, so this is just making it official (Kai Willadsen)

  Fixes:

   * Show correct column offset in status bar for tab indents (Simon Marchi)
   * Fix installation with a prefix for Python 3 changes (Ting-Wei Lan)
   * Fix initial scroll-to-first-difference behaviour to avoid a race
     condition if the first change was on the first line (Kai Willadsen)
   * Improve text wrapping behaviour in information bars, and avoid too-large
     allocations with long labels (Kai Willadsen)
   * Work around infinite re-allocation problems and silence GTK+ allocation
     warnings (Kai Willadsen)
   * Fix bad UI state when closing a single-instance activated window (Kai
     Willadsen)
   * Fix bad function call when using internal git conflict resolution (Kai
     Willadsen)

  Translations:

   * Anders Jonsson (sv)
   * Andika Triwidada (id)
   * Balázs Úr (hu)
   * Daniel Korostil (uk)
   * Emin Tufan Çetin (tr)
   * Marek Černocký (cs)
   * Milo Casagrande (it)