[zanata/zanata] af5ef5: fix null pointer for stats in document info

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zanata/zanata
  Commit: af5ef575d3eb576b50231cc0b4fc0615fb679086
      https://github.com/zanata/zanata/commit/af5ef575d3eb576b50231cc0b4fc0615fb679086
  Author: Alex Eng <aeng at redhat.com>
  Date:   2013-04-02 (Tue, 02 Apr 2013)

  Changed paths:
    M zanata-war/src/main/java/org/zanata/webtrans/client/presenter/AppPresenter.java

  Log Message:
  -----------
  fix null pointer for stats in document info