Moved files related to stiscan in a new StRoot module
StHftPool/: Removed dependency on Sti. The corresponding code moved to StRoot/StiScan
StHftPool/: Reorganized header includes and removed needless ones
HftMatchedTree: Do not ask for automatic ROOT's I/O as this is a StMaker
HftMatchedTree: Made fTree and fEvent data members protected for future inheritance and initialize the tree in constructor
Merge branch 'cvs'