Fixed the Release Makefile to delete a couple of files it creates, including the XcodeBuildSettings.plist file that it creates since revision 119ca790c252.
Fixed the Release Makefile to delete a couple of files it creates, including the XcodeBuildSettings.plist file that it creates since revision 119ca790c252.

PersonifyInc/growl,incbee/Growl,incbee/Growl,PersonifyInc/growl,PersonifyInc/growl,incbee/Growl,PersonifyInc/growl,incbee/Growl,incbee/Growl,PersonifyInc/growl