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

[Adam Treat]

SVN commit 721309 by treat:

* Refactor the registerShortcut design a bit and make them app wide.
* Bugfix in the SelectionRect class.
* Add ZoomModes: Auto, AutoBorder, Expression, Spike Insensitive, MeanCentered
* Add Axis dependent modes
* Implement:
	1) Zoom Maximum
	2) Zoom XMaximum
	3) Zoom YMaximum
	4) Log X
	5) Log Y
* Document all the possible zoom mode operations and provide infrastructure to
implement the rest.



 M  +312 -54   plotrenderitem.cpp  
 M  +46 -22    plotrenderitem.h  
 M  +6 -1      selectionrect.cpp  
 M  +23 -16    vectorcurverenderitem.cpp  
 M  +6 -6      view.cpp