[zanata/zanata-platform] 22afe1: fix(ZNTA-2236) change version range for yarn

[GitHub]

  Branch: refs/heads/ZNTA-2236-yarnfix
  Home:   https://github.com/zanata/zanata-platform
  Commit: 22afe156c0231a98cec06ae7d35db5c6e2c14ec7
      https://github.com/zanata/zanata-platform/commit/22afe156c0231a98cec06ae7d35db5c6e2c14ec7
  Author: kgough <kgough at redhat.com>
  Date:   2017-10-12 (Thu, 12 Oct 2017)

  Changed paths:
    M server/zanata-frontend/src/frontend/.yarn-version

  Log Message:
  -----------
  fix(ZNTA-2236) change version range for yarn