Adding FreeBSD 10.2 and pointing to boot.rackspace.com BSD loaders for now

src/freebsd.ipxe

@@ -5,10 +5,12 @@
 
 :freebsd_menu
 menu Please pick a FreeBSD version
+item 10.2 FreeBSD 10.2
 item 10.1 FreeBSD 10.1
 item 10.0 FreeBSD 10.0
 choose ver || goto freebsd_exit
 
+iseq ${ver} 10.2 && set image_ver 10.2-RELEASE ||
 iseq ${ver} 10.1 && set image_ver 10.1-RELEASE ||
 iseq ${ver} 10.0 && set image_ver 10.0-RELEASE ||
 
@@ -21,7 +23,7 @@ set freebsd_arch amd64
 goto boot_freebsd
 
 :boot_freebsd
-set src http://${boot_domain}/distros/freebsd/${ver}/FreeBSD-${image_ver}-${freebsd_arch}-bootonly-mfsbsd.hd
+set src http://boot.rackspace.com/distros/freebsd/${ver}/FreeBSD-${image_ver}-${freebsd_arch}-bootonly-mfsbsd.hd
 imgfree
 echo This loads an mfsbsd installer (http://mfsbsd.vx.sk/).  
 echo Root password for all images: mfsroot