fix variable misname

Merge pull request #12 from scampanoni/master

Use the latest definition of DGEdge of NOELLE.

missed llvm::noelle

Killflow bugfix

fix semi-local and pure aa bug, very conservative; need to revisit

fix a semilocal, pure aa bug; fix a non-capture field aa bug

fix llvm aa usage

fix tracedata

lifetime handled by SemiLocal; killflow II deps bug fixes; LLVMResult…

…s AA bug fixes

lifetime semantics fixed