Revert "[#156048700] Host names can't have underscores.  Fixed in loggregator-agent cert"
Revert "[#156048700] Host names can't have underscores.  Fixed in loggregator-agent cert"

This reverts commit 745965815adf2fa6063548c68879d68248af2768.

Signed-off-by: Steve Taylor <2618d8eeb38db5666975df4fd945cc4512e3f384@pivotal.io>

cloudfoundry/cf-deployment,cloudfoundry/cf-deployment,emalm/cf-deployment