Implement test_all_qt and test_all_cairo custom targets which test all qt devices and special examples and all cairo devices and special examples.
Implement test_all_qt and test_all_cairo custom targets which test all qt
devices and special examples and all cairo devices and special examples.


svn path=/trunk/; revision=10587

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