[Kst] [Kst-plot/kst] ac558c: build installer when a version name is set

[Peter Kümmel]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: ac558c1ec973c8dbf31aa9c284fc7aa615fe9c7f
      https://github.com/Kst-plot/kst/commit/ac558c1ec973c8dbf31aa9c284fc7aa615fe9c7f
  Author: Peter Kümmel <syntheticpp at gmx.net>
  Date:   2014-03-15 (Sat, 15 Mar 2014)

  Changed paths:
    M .travis.yml
    M cmake/CMakeLists.txt
    M cmake/travis.sh

  Log Message:
  -----------
  build installer when a version name is set