CVS commit by lukas: 

Implement everyone's (mainly danimo's) wish: don't insert tiny
pictures; if the insert rectangle is very small, use the image 
default size (no, you won't get pictures bigger than the slide,
I fixed that already two days ago :)

+ plus some whitespace cleanups, uninteresting


  M +2 -3      KPresenterDocIface.cc   1.91
  M +4 -7      KPresenterPageIface.cc   1.38
  M +1 -1      kpbackground.cc   1.86
  M +27 -14    kprcanvas.cc   1.343
  M +5 -2      kprcanvas.h   1.131
  M +6 -6      kpresenter.rc   1.152
  M +3 -3      kpresenter_doc.cc   1.644
  M +3 -6      kpresenter_view.cc   1.950
  M +13 -15    kprpage.cc   1.210
  M +2 -1      kprtextdocument.cc   1.4
  M +1 -0      kprtextdocument.h   1.4
  M +10 -9     kptextobject.cc   1.379