[Kst] branches/work/kst/portto4/kst/src/libkstapp

[Mike Fenton]

SVN commit 945045 by fenton:

Cleanup overlapping/unclear/unused functions in PlotItem.
Add caching of PlotItem::plotRect and plotAxisRect.


 M  +0 -1      plotaxis.cpp  
 M  +0 -3      plotaxis.h  
 M  +120 -196  plotitem.cpp  
 M  +39 -45    plotitem.h  
 M  +0 -2      plotrenderitem.cpp  
 M  +4 -4      viewgridlayout.cpp