Support mmap on Windows
Don't export munmap
Small fixes discovered by testing on binary
Pkg2: slight error/info messaging tweak.
give a chance to set USE_BLAS64 in Make.usr
use system libopenblas via set USE_SYSTEM_OPENBLAS=1
use var name LIBOPENBLAS_PATH while using system libopenblas
correct blas info in function `versioninfo'
Merge branch 'master' of github.com:JuliaLang/julia
Use @inbounds in sparse matrix multiplication.
Gives 20% improvement on the perf test in #942
run all finalizers on exit. fixes #3624
enable a few more optimization passes
Simplify Pkg2.resolve
Merge pull request #3615 from JuliaLang/kf/pkg2

Simplify Pkg2.resolve
Merge branch 'master' of github.com:JuliaLang/julia
Revert "Simplify Pkg2.resolve"

This reverts commit eeb34f7c1878922c98a1b696b9bd7db146422f43.

This is deeply broken. Resolve simply doesn't work.
remove max_arg_depth, simplify gc frame handling
remove reference to 'extras' dir from README
Allow launching child processes with different ENV
Remove unused environ on Mac