Added examples 29 & 30 to the generated examples. Turned on anti-aliasing for example 30.
Added examples 29 & 30 to the generated examples. Turned on anti-aliasing for example 30.

svn path=/trunk/; revision=8232

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