[Frontend-GNOME] Implemented /generate_messages command for profiling
[Frontend] Fixed leaking ChatView references held by ChatViewSyncManager.SyncReleaseQueue (refs: #667)
[Frontend-GNOME] Fixed memory leak in MessageTextView.GetPangoWidth() (refs: #667)
Merge branch 'stable'

Conflicts:
	src/Frontend-GNOME/Entry.cs