Clean up code formatting.
-DCLANG_LTO only useful with -DCLANG=ON
Add LLVM ASan symbolication script.
Add things to do for CI builds.
Add things to do for SST.
Add a very cheap circular logger by http://github.com/preshing

This one has Win32 dependency, so not usable as-is.
It needs some C++11 bashing to be portable.
Clean up SST::TimerHostState and related features.
Move initialization to Time class.
Formatting cleanup.
More debugging output.
fix| heap-use-after-free detected by ASan