[zanata/zanata-platform] 20cd58: Make tuple elements readonly (#756)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zanata/zanata-platform
  Commit: 20cd58da69bf38a482122994f780ddf3621ab6ee
      https://github.com/zanata/zanata-platform/commit/20cd58da69bf38a482122994f780ddf3621ab6ee
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2018-03-16 (Fri, 16 Mar 2018)

  Changed paths:
    M server/zanata-frontend/src/app/utils/tuple.ts

  Log Message:
  -----------
  Make tuple elements readonly (#756)