[Kst] extragear/graphics/kst/kst

[Rick Chern]

SVN commit 429516 by rchern:

Use _inputVectors for input vectors of vcurve instead of holding private pointers to them
- remove reimplementation of loadInputs() and uses()
- allows dependency checking to be more general
- kstcurvedialog cannot seem to unlock within the same thread after locking when editing a curve

 M  +6 -3      kstcurvedialog_i.cpp  
 M  +177 -148  kstvcurve.cpp  
 M  +4 -12     kstvcurve.h