[zanata/zanata-server] ea5dd4: Restore mail config docs from wiki

[GitHub]

  Branch: refs/heads/use-jndi-for-mail
  Home:   https://github.com/zanata/zanata-server
  Commit: ea5dd44370c2a662042598e2507dc707ba8cf82b
      https://github.com/zanata/zanata-server/commit/ea5dd44370c2a662042598e2507dc707ba8cf82b
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2015-05-25 (Mon, 25 May 2015)

  Changed paths:
    M docs/user-guide/system-admin/configuration/installation.md

  Log Message:
  -----------
  Restore mail config docs from wiki