[Kst] extragear/graphics/kst/kst

[Rick Chern]

SVN commit 445730 by rchern:

- hit the delete key to delete all selected objects
- hold down shift while drawing to either: 
    - preserve 1:1 ratio (for rectangular objects and ellipses)
    - draw lines and arrows at 0, 45, 90 degrees
- factor out some of the mouse handling code into kstgfxmousehandlerutils

 M  +1 -0      Makefile.am  
 M  +3 -1      ksteditviewobjectdialog_i.cpp  
 M  +7 -4      kstgfxarrowmousehandler.cpp  
 M  +20 -7     kstgfxellipsemousehandler.cpp  
 M  +8 -4      kstgfxlinemousehandler.cpp  
 A             kstgfxmousehandlerutils.cpp   [License: GPL (v2+)]
 A             kstgfxmousehandlerutils.h   [License: GPL (v2+)]
 M  +2 -17     kstgfxpicturemousehandler.cpp  
 M  +2 -17     kstgfxrectanglemousehandler.cpp  
 M  +2 -17     kstgfxtextmousehandler.cpp  
 M  +15 -0     ksttoplevelview.cpp  
 M  +1 -0      ksttoplevelview.h  
 M  +3 -0      kstviewwidget.cpp