Add pxeboot/BSD Loader as an option for PXE Kayak boots.

*** 15,29 ****
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  DHCP server:
   * your server should be set to PXE boot
   * the DHCP server must return and IP, a nextserver and a bootfile
!  * the boot file should be the file {{{/boot/grub/pxegrub}}} from an existing OmniOS system
  
  TFTP server:
!  * menu.lst.01<macaddr_just_hex_caps> based on the template provided in this directory should be placed in /tftpboot/
!  * /boot/grub/pxegrub should be placed in /tftpboot/
   * /platform/i86pc/kernel/amd64/unix should be placed in /tftpboot/omnios/kayak/
   * the miniroot.gz file should be placed in /tftpboot/omnios/kayak/
  
  HTTP server:
   * The system install images should be placed an accessible URL
--- 15,29 ----
  ---------
  
  DHCP server:
   * your server should be set to PXE boot
   * the DHCP server must return and IP, a nextserver and a bootfile
!  * the boot file should be the file {{{/boot/grub/pxegrub}}} or {{{/boot/pxeboot}}} from an existing OmniOS system
  
  TFTP server:
!  * menu.lst.01<macaddr_just_hex_caps> based on the template provided in this directory should be placed in /tftpboot/ if using grub, or put loader.conf.local in /tftpboot/boot
!  * /boot/grub/pxegrub or /boot/pxeboot should be placed in /tftpboot/
   * /platform/i86pc/kernel/amd64/unix should be placed in /tftpboot/omnios/kayak/
   * the miniroot.gz file should be placed in /tftpboot/omnios/kayak/
  
  HTTP server:
   * The system install images should be placed an accessible URL