[Kst] kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

a bunch of optimizations and a couple of crash fixes


  M +3 -1      kst.cpp   1.74
  M +4 -2      kstdoc.cpp   1.53
  M +178 -167  kstequationcurve.cpp   1.41
  M +1 -0      kstequationcurve.h   1.22
  M +2 -1      kstfilter.cpp   1.8
  M +3 -0      kstviewscalarsdialog_i.cpp   1.3