tevedisp: Addressed compiler warnings regarding std entities
CMakeLists.txt: Removed unused include directory. Added StiScan lib for executables
PrgOptionProcessor: Updated default TGeo volumes with sensitive silicon layers in PXL, IST, and SST
tevedisp: Fixed header include path
stiscan: Switched to new event class StiScanEvent
EvenT: Removed dummy data members fIsValid and fFlag and their setters/getters. Updated class I/O version
EventT: Added protection against invalid pointers to PXL and IST database proxies
EventT & StiScanEvent: Updated/removed destructors and added appropriate Clear() methods to adhere to the framework standards
Minor style, comments and whitespace changes
Merge branch 'ds-tmp'