added new functions for the memory scanner

Added a new set of functions to control the memory scanner and the
virtual cheat table.

Added INewScan, IConfigScanner, IResetTable, IRemoveRecord,
IActivateRecord, IApplyFreeze, ISetValue, IInitFoundList, IResetValues,
IRebaseAddressList, IGetBinarySize

Removed IResetScripts, IRemoveScript, IActivateScript,
IRegisterScanDoneCallback, IInitializeFoundList, IDeinitMemoryScanner

Updated IInitMemoryScanner, INextScan