[OpenSIPS-Devel] [OpenSIPS/opensips] 439e5e: allow libjson0-dev in travis

[Razvan Crainea]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 439e5eec7ef8c1f5c4c6aa8d1e1a05035c18e7c5
      https://github.com/OpenSIPS/opensips/commit/439e5eec7ef8c1f5c4c6aa8d1e1a05035c18e7c5
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2016-02-22 (Mon, 22 Feb 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  allow libjson0-dev in travis

they are using older packages