Code review comment for lp:~vikoadi/pantheon-greeter/manage-screensaver

Fails to start on an .iso I have already linked viko and teemperor privately. Here's the log:

** Message: PantheonGreeter.vala:329: Starting pantheon-greeter...
** Message: PantheonGreeter.vala:338: Applying settings...
** Message: Authenticator.vala:166: Connecting to LightDM...
** Message: Authenticator.vala:175: Successfully connected to LightDM.
** Message: PantheonGreeter.vala:95: Loading default-avatar...
** Message: PantheonGreeter.vala:98: Building UI...

(pantheon-greeter:1225): libindicator-WARNING **: File '/usr/lib/indicators3/7/libpower.so' does not exist.

(pantheon-greeter:1225): libindicator-WARNING **: File '/usr/lib/indicators3/7/libsoundmenu.so' does not exist.

(pantheon-greeter:1225): Gtk-WARNING **: Attempting to add a widget with type GtkBox to a KeyboardLayoutMenu, but as a GtkBin subclass a KeyboardLayoutMenu can only contain one widget at a time; it already contains a widget of type GtkImage

** (pantheon-greeter:1225): WARNING **: AccessibilityMenu.vala:26: Key file does not have key 'onscreen-keyboard'

** (pantheon-greeter:1225): WARNING **: AccessibilityMenu.vala:43: Key file does not have key 'high-contrast'

** (pantheon-greeter:1225): WARNING **: AccessibilityMenu.vala:53: Key file does not have key 'onscreen-keyboard'
** Message: PantheonGreeter.vala:111: Connecting signals...

(pantheon-greeter:1225): GLib-GIO-ERROR **: Settings schema 'org.pantheon.desktop.greeter' is not installed

However, org.pantheon.desktop.greeter does actually exist.