Add instrument specific initialisation for commands on emu.

site_ansto/instrument/emu/config/commands/commands.tcl

@@ -1 +1,10 @@
 source $cfPath(commands)/commands_common.tcl
+
+namespace eval motor {
+# is_homing_list = comma separated list of motors which are safe to send "home"
+    variable is_homing_list ""
+}
+
+proc ::commands::isc_initialize {} {
+  ::commands::ic_initialize
+}