2014.05-rc1 Public Release

Major Changes:

- x86: Updated documentation across the board.

- x86: Support GPT and MSDOS disk labels when partitioning disks.  See
  commit c9ceda1 and the updated documentation for more details.

- x86: disk partitioning layout changes.  See commit 67e6b77 and the
  updated documentation for more details.

- x86: demo OS changed to reflect the GPT/MSDOS and partitioning
  layout changes.

Minor Changes:

- x86 and powerpc tool chain: move to GCC version from 4.7.2 to 4.7.3

- x86: add more utilities: parted, fsck.ext[234], grub-reboot,
  grub-default.

- all: Make installer mode a little more verbose