Complete reorganization into less flat structure, include sect1 (edited version of documentation provided by Andrew) on using freetype, and complete rewrite of introduction to newly titled section on View Surfaces, (Sub-)Pages, Viewports and Windows.
Complete reorganization into less flat structure, include sect1 (edited
version of documentation provided by Andrew) on using freetype, and complete
rewrite of introduction to newly titled section on View Surfaces,
(Sub-)Pages, Viewports and Windows.

svn path=/trunk/; revision=3906

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