[zanata/zanata-server] 17cf90: Upgrade to commonmark.js 0.20

[GitHub]

  Branch: refs/heads/commonmarkjs-0.20
  Home:   https://github.com/zanata/zanata-server
  Commit: 17cf90d599a801c3393910eb6bed45aa309dca89
      https://github.com/zanata/zanata-server/commit/17cf90d599a801c3393910eb6bed45aa309dca89
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2015-07-09 (Thu, 09 Jul 2015)

  Changed paths:
    M zanata-war/pom.xml
    M zanata-war/src/main/java/org/zanata/util/CommonMarkRenderer.java

  Log Message:
  -----------
  Upgrade to commonmark.js 0.20