[zanata/zanata-platform] 682375: chore: update css-loader version

[GitHub]

  Branch: refs/heads/ZNTA-2317
  Home:   https://github.com/zanata/zanata-platform
  Commit: 682375ed529b9e3a3998f140ea27f4108fd22f1e
      https://github.com/zanata/zanata-platform/commit/682375ed529b9e3a3998f140ea27f4108fd22f1e
  Author: Alex Eng <aeng at redhat.com>
  Date:   2018-01-03 (Wed, 03 Jan 2018)

  Changed paths:
    M server/zanata-frontend/src/frontend/package.json
    M server/zanata-frontend/src/frontend/yarn.lock

  Log Message:
  -----------
  chore: update css-loader version

https://zanata.atlassian.net/browse/ZNTA-2317