This change addresses two issues:
1 - the tftpd-hpa package has to be installed on all conductors
regardless of standalone more or not.
2 - the tftpd-hpa has an issue where is till not function over
ipv4 unless expressly set. To resolve this issue the default
configuration file has been changed to lockdown the listen
address and set the port. This is the related launchpad issue
for tftp-hpa [0]
[0] - https://bugs.launchpad.net/ubuntu/+source/tftp-hpa/+bug/1448500
Change-Id: I9861de0a0384661a27f0971f77ab340f4c1d59e3
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
1cb4962922