Added "loaded-plugins" property to PeasEngine
Added "loaded-plugins" property to PeasEngine

This will allow saving the loaded plugins in one statement using
g_settings_bind().
gregier/libpeas,gregier/libpeas,gregier/libpeas,chergert/libpeas,Distrotech/libpeas,Distrotech/libpeas,gregier/libpeas,chergert/libpeas,GNOME/libpeas,Distrotech/libpeas,GNOME/libpeas,chergert/libpeas