Fix window name bug in tk driver. tk driver now correctly displays the window name (including the -plwindow option). Note that tk has some rules over what is a valid names so all spaces and . are converted to _ . Also any window name which starts with an upper case letter will have it converted to lower case.
Fix window name bug in tk driver. tk driver now correctly displays the window name (including the -plwindow option). Note that tk has some rules over what is a valid names so all spaces and . are converted to _ . Also any window name which starts with an upper case letter will have it converted to lower case.


svn path=/trunk/; revision=10754

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