[zanata/zanata-server] df69e4: Add CORS property to installation docs

[GitHub]

  Branch: refs/heads/ZNTA-1042-CORS-system-property
  Home:   https://github.com/zanata/zanata-server
  Commit: df69e4482b929208f7e31f88a6637fc256790119
      https://github.com/zanata/zanata-server/commit/df69e4482b929208f7e31f88a6637fc256790119
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-05-05 (Thu, 05 May 2016)

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

  Log Message:
  -----------
  Add CORS property to installation docs