[zanata/zanata-platform] 6c19e3: fix(ZNTA-2113): use en-us default language

[GitHub]

  Branch: refs/heads/efloden/frontend-localization/ZNTA-2113
  Home:   https://github.com/zanata/zanata-platform
  Commit: 6c19e35e41daa5bd267a969b34c2eb5a25048504
      https://github.com/zanata/zanata-platform/commit/6c19e35e41daa5bd267a969b34c2eb5a25048504
  Author: efloden <efloden at redhat.com>
  Date:   2018-02-13 (Tue, 13 Feb 2018)

  Changed paths:
    M server/zanata-frontend/src/app/editor/actions/header-actions.js
    M server/zanata-frontend/src/app/editor/api/index.js
    M server/zanata-frontend/src/app/editor/containers/Root/index.js

  Log Message:
  -----------
  fix(ZNTA-2113): use en-us default language