Fixed turn-off-pause for tk.  Also set up plot.tcl to automatically call plinit if it hasn't been done yet.  So with working autoloading, you can now type "pltcl" and immediately "plot <datafile>".
Fixed turn-off-pause for tk.  Also set up plot.tcl to automatically call
plinit if it hasn't been done yet.  So with working autoloading, you can
now type "pltcl" and immediately "plot <datafile>".

svn path=/trunk/; revision=2583

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot