clang-based auto-modernizer

Hi,

I wrote a clang-based tool to port C++ code to use auto extensively (the
clang-tidy check is far to conservative).

I wrote about it here:

Aaargh! AAA – Right Good and Hygenic | Steveire's Blog

and the result of running it on QtBase (for exposition only) is here:

Commits · steveire/qtbase · GitHub

Thanks,

Steve.