Rename INSTALL_DEFAULT_UNATTEND to IGNORE_UNATTEND

 * Rename the image property INSTALL_DEFAULT_UNATTEND to
   IGNORE_UNATTEND.
 * Add documentation about this property
Rephrase a comment in the defaults config file
docs: Update the copyright to include year 2014
Support Desktop variants of Microsoft Windows

Update the unattend.xml file to support Desktop variants of Microsoft
Windows.
docs: Add a Windows deployment section

This contains basic info on how the Windows images get deployed and
instruction on how to use a custom Unattend.xml file.
windows: Consider Autounattend.xml as answer file

When searching a windows image for the presence of an answer file,
make sure that Autounattend.xml is also considered as a valid answer
file.
docs: Fix an error about the img_personality field

Fix the documentation to state that the mode field should always
contain a decimal number.
Bump version to 0.16rc2
Update ChangeLog and version files for 0.16rc2
Upgrade helper's kernel

Use the newest 3.2.60-1+deb7u3 kernel
Merge branch 'release-0.16' into debian-release-0.16
Bump version to 0.16~rc2-1~wheezy

Signed-off-by: Nikos Skalkotos <skalkoto@grnet.gr>