[Kst-plot/kst] 956655: Implement a curve search entry in plot contents.

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: 956655de95402426549a0f559d1eee6833c3d49f
      https://github.com/Kst-plot/kst/commit/956655de95402426549a0f559d1eee6833c3d49f
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2017-05-24 (Wed, 24 May 2017)

  Changed paths:
    M src/libkstapp/contenttab.cpp
    M src/libkstapp/contenttab.h
    M src/libkstapp/contenttab.ui

  Log Message:
  -----------
  Implement a curve search entry in plot contents.