[zanata/zanata-platform] 3562aa: doc(client): Update installation instruction

[GitHub]

  Branch: refs/heads/update_installation_instruction
  Home:   https://github.com/zanata/zanata-platform
  Commit: 3562aaf054b384f939598cdffdb6bcb0d38dae4c
      https://github.com/zanata/zanata-platform/commit/3562aaf054b384f939598cdffdb6bcb0d38dae4c
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2018-01-31 (Wed, 31 Jan 2018)

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

  Log Message:
  -----------
  doc(client): Update installation instruction