[zanata/zanata-platform] 144590: refactor(ZNTA-2113): move DEFAULT_LOCALE to config

[GitHub]

  Branch: refs/heads/efloden/frontend-localization/ZNTA-2113
  Home:   https://github.com/zanata/zanata-platform
  Commit: 144590d85b7b4d72d89cc718e0db7ce47d2e175b
      https://github.com/zanata/zanata-platform/commit/144590d85b7b4d72d89cc718e0db7ce47d2e175b
  Author: efloden <efloden at redhat.com>
  Date:   2018-02-20 (Tue, 20 Feb 2018)

  Changed paths:
    M server/zanata-frontend/src/app/config.js
    M server/zanata-frontend/src/app/editor/reducers/context-reducer.js
    M server/zanata-frontend/src/app/editor/reducers/context-reducer.test.js
    M server/zanata-frontend/src/app/editor/reducers/ui-reducer.js

  Log Message:
  -----------
  refactor(ZNTA-2113): move DEFAULT_LOCALE to config