Updated expecteds to make sure that the FindSentinels test
passes now that it is a ModulePass, updated SConscript to remove
extra passes that were causing incorrect results from FindSentinels,
and added one test to the NullAnnotator (expected is coming shortly).
Merge branch 'interprocedural-analysis' of https://github.com/AlisaMaas/CArrayIntrospection into interprocedural-analysis

Conflicts:
	NullAnnotator.cc