[Frontend-GNOME] Added MessageTextTagTable debug output to /generate_messages
[Frontend-GNOME] Explicitly release Pango.Layouts (refs: #667)
[Frontend-GNOME] Fixed leaking topic MessageTextViews (refs: #667)
[Frontend-GNOME] Explicitly release Pango.Context in ThemeSettings (refs: #667)
[Frontend-GNOME] Release SyncedPersons in GroupChatView.Populate() (refs: #667)
[Build] Use dmcs if available for Windows builds
[Frontend(-GNOME)] Fixed re-syncing of chats regression (closes: #835)
Merge branch 'stable'

Conflicts:
	Makefile.am
	src/Frontend-GNOME/MainWindow.cs