[Kst] extragear/graphics/kst/kst

[Andrew Walker]

SVN commit 473433 by arwalker:

CCBUG:108084 First draft of functionality

 M  +34 -0     kstcolorsequence.cpp  
 M  +4 -1      kstcolorsequence.h  
 M  +96 -18    kstcurvedifferentiate_i.cpp  
 M  +13 -1     kstcurvedifferentiate_i.h  
 M  +1 -0      kstlinestyle.h  
 M  +30 -19    kstnumbersequence.cpp  
 M  +12 -12    kstnumbersequence.h