[3.7 Release] Release Candidate 1 available

Hello all,

Source and binaries for LLVM 3.7.0-rc1 are now available at
http://llvm.org/pre-releases/3.7.0/

Please try them out, run tests, build your favourite projects, and
*file bugs* about anything that doesn't work and needs to be fixed for
the release. Please CC me on any findings.

Thanks,
Hans