[zanata/zanata-common] 8292f7: Avoid using Guava @Beta API for file hashes

[GitHub]

  Branch: refs/heads/integration/master
  Home:   https://github.com/zanata/zanata-common
  Commit: 8292f758e86ba404af81197a1c3ac993891c0f2b
      https://github.com/zanata/zanata-common/commit/8292f758e86ba404af81197a1c3ac993891c0f2b
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2013-02-27 (Wed, 27 Feb 2013)

  Changed paths:
    M zanata-common-util/src/main/java/org/zanata/util/HashUtil.java

  Log Message:
  -----------
  Avoid using Guava @Beta API for file hashes

Files.getDigest() is missing from F19's version of Guava (13), but Files.hash() does not exist in F17 (Guava 11).