Provides Consistent HA User Defaults

Previously, the user defaults for the Full HA scenario used
compute04 as the build node name.  This patch changes the default
settings to build-server for consistency with the rest of the
build node module definitions.

Change-Id: I9b6a3519da06a64352a9b79858a821685afb06b0
Merge "Provides Consistent HA User Defaults"