[Kst] [Kst-plot/kst] b9c907: Maintain support for ubuntu 12.04 for now.

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: b9c907534edcd4117a1bf4809465b73f9fe9bd9c
      https://github.com/Kst-plot/kst/commit/b9c907534edcd4117a1bf4809465b73f9fe9bd9c
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2015-10-26 (Mon, 26 Oct 2015)

  Changed paths:
    M CMakeLists.txt

  Log Message:
  -----------
  Maintain support for ubuntu 12.04 for now.