[Kst] [Kst-plot/kst] d3fdc7: Merge changes for empty entries

[Barth Netterfield]

  Branch: refs/heads/manyvectors
  Home:   https://github.com/Kst-plot/kst
  Commit: d3fdc735c93276b11ead9681c676aa84f5486a23
      https://github.com/Kst-plot/kst/commit/d3fdc735c93276b11ead9681c676aa84f5486a23
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2013-10-17 (Thu, 17 Oct 2013)

  Changed paths:
    M src/libkstapp/vectormodel.cpp
    M src/libkstapp/vectormodel.h
    M src/libkstapp/viewvectordialog.cpp

  Log Message:
  -----------
  Merge changes for empty entries