correct (typo) support to jpeg dyndriver add pstex dyndriver support
correct (typo) support to jpeg dyndriver
add pstex dyndriver support

svn path=/trunk/; revision=3210

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