Added the capability to watch a gsetting domain, or a specific setting.

Usage: put in your watcher

gsettings = org.semplicelinux.vera.settings org.semplicelinux.vera

To make alan-watcher watch those two domains (and every setting contained).

To watch only a specific setting, you can use the following:

gsettings = org.semplicelinux.vera.settings:ninja-shortcut org.semplicelinux.vera
Watch by default icon-theme-name and theme-name in org.semplicelinux.vera.settings.