Finished changes for processAlloc and processCopy
algorithm1: initializeValueMap, FuncWorkList;\n ValueMap should include Arguments;\n Add empty entry node to each SEG
add getEntryNode() for class SEG
add initializeStmtWorkList; Modify class SEG: remove LoopInfo
1. Add extra anonymous id for Argument;

2. Add GetElementPtrInst to SEG construction;

3. initializeValueMap return total number of variables;

4. Don't assign id for ReturnInst/StoreInst;

5. Don't initialize StmtWorkList with ReturnInst
Finished modifications of bdd process functions to use new style; added cases to .gitignore
Added algorithm main loop plus preprocessing commands
Merge branch 'master' of https://github.com/mjyan0720/fs-aa into merge
Merge branch 'bddfix' into merge
Removed file sspt-analysis.cc
Renamed sspt.h to pointsto.h
Updated pointsto.cc and pointsto.h to use map<const Value*,unsigned int>
Finished branch integration
Fixed a bug from merge regarding SEGNode Id's
Commented out unfinished code: preprocessCall
Added some debugging code to find out why values aren't added to the map
Fix a bug in PreProcessAllocaInst()
Uncomment sth to make it easy to do test
Normalized whitespace in files
Added field Defined to SEGNode, changed idmap so no value is mapped to 0