David Robillard <d@drobilla.net>

Contributors:

 * Devin Anderson <surfacepatterns@gmail.com>
   * Fix reparenting of Gtk UIs in Qt
 * Peter Nelson <peter@fuzzle.org>
   * Fix crash when a broken UI returns a NULL descriptor
 * Filipe Lopes <falktx@gmail.com>
   * Idle interface fixes for X11 in Qt4
   * Qt5 in Gtk2 support
 * Robin Gareus <robin@gareus.org>
   * Support for resizing X11 UIs in Gtk
   * Cocoa in Gtk wrapper
   * Numerous Windows fixes
 * Rui Nuno Capela
   * Fixes for X11 in Qt4
   * Qt5 wrappers
 * Stefan Westerfeld
   * Qt5 in Gtk2 support
   * Initialization API
