[Frontend-GNOME] Use internal console to workaround a MonoDevelop race condition
[Build] Removed Frontend-WPF from solution to workaround a MonoDevelop issue
[Win32-Installer] Bumped GTK# to 2.12.21 as it is more stable than 2.12.20
Merge branch 'stable'
Merge remote-tracking branch 'github/master'