Adding support for Partition Wizard

http://www.partitionwizard.com

src/utils.ipxe

@@ -5,6 +5,7 @@ item --gap Utilities:
 item clonezilla ${space} Clonezilla
 item hdt ${space} Hardware Detection Tool
 item memtest ${space} MemTest86+
+item partition_wizard ${space} Partition Wizard 9.1
 item testpr ${space} Test netboot.xyz branch
 choose --default ${menu} menu || goto utils_exit
 echo ${cls}
@@ -38,6 +39,12 @@ echo Press any key to continue ...
 read a
 goto utils_exit
 
+:partition_wizard
+kernel ${memdisk} iso raw
+initrd http://www.partitionwizard.com/download/pwfree91-x64.iso
+boot
+goto utils_exit
+
 :testpr
 echo This will chainload into a testing branch of netboot.xyz.  You'll need to enter
 echo your Github User and the first part of the commit hash of the commit you want