[zanata/zanata-client] 2e9372: docs(0install): update rhel 7 instructions

[GitHub]

  Branch: refs/heads/integration/master
  Home:   https://github.com/zanata/zanata-client
  Commit: 2e9372d95389a078dab5569406cd7c25c211c473
      https://github.com/zanata/zanata-client/commit/2e9372d95389a078dab5569406cd7c25c211c473
  Author: Alex Eng <aeng at redhat.com>
  Date:   2015-08-25 (Tue, 25 Aug 2015)

  Changed paths:
    M docs/installation/linux-installation.md

  Log Message:
  -----------
  docs(0install): update rhel 7 instructions