source: in-house
Set dbus-daemon path to (non-standard) /usr/lib.

--- a/installer/core_install.py	2015-08-26 04:38:39.244369710 -0700
+++ b/installer/core_install.py	2015-08-26 04:39:29.269396882 -0700
@@ -345,7 +345,7 @@
             'scanimage':        (False, ['scan'], SCANIMAGE_STR, self.check_scanimage, DEPENDENCY_RUN_TIME, '1.0','scanimage --version', EXTERNALDEP),
 
             # Required fax packages
-            'dbus':             (True,  ['fax'], DBUS_STR, self.check_dbus, DEPENDENCY_RUN_AND_COMPILE_TIME, '-','dbus-daemon --version', EXTERNALDEP),
+            'dbus':             (True,  ['fax'], DBUS_STR, self.check_dbus, DEPENDENCY_RUN_AND_COMPILE_TIME, '-','/usr/lib/dbus-daemon --version', EXTERNALDEP),
 
             # Required and optional qt4 GUI packages
             'policykit':        (False, ['gui_qt4'], POLKIT_STR, self.check_policykit, DEPENDENCY_RUN_TIME,'-','pkexec --version', EXTERNALDEP), # optional for non-sudo behavior of plugins (only optional for Qt4 option)