[Kst-plot/kst] f4dc04: Add window min/max/hide options to pykst.

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: f4dc040e22d47f36a20a5be56105dde1a319256c
      https://github.com/Kst-plot/kst/commit/f4dc040e22d47f36a20a5be56105dde1a319256c
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2016-08-22 (Mon, 22 Aug 2016)

  Changed paths:
    M pyKst/demo/dataobjects.py
    M pyKst/pykst.py
    M src/libkstapp/scriptserver.cpp
    M src/libkstapp/scriptserver.h

  Log Message:
  -----------
  Add window min/max/hide options to pykst.

Now you can minimize, maximize, and show the kst window
from within pykst.

One reason this is useful is that creating kst plots is much
faster when the window is minimized.