Support mmap on Windows
Don't export munmap
Small fixes discovered by testing on binary
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'
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
Refactor and consolidate the performance tests

Run perf tests by running make in test/perf
Factor out timing code into test/perf/perfutil.jl
Micro benchmarks are now in test/perf/micro/
perf2 benchmarks are now in test/perf/kernel
shootout benchmarks now run (not all yet) as part of the perf tests (#660)
cat benchmarks now run as part of the perf tests
Merge pull request #3618 from JuliaLang/vs/perf

Put a performance testing framework in place
Fix readdlm test.
Use joinpath correctly in readdlm test.
Download data for shootout tests as necessary.
Run k_nucleotide, regex_dna, and revcomp
Replace WGET and WGET_DASH_O with JLDOWNLOAD.
Enable IRC notification for failed Travis builds
Fix #3639
Merge branch 'master' of github.com:JuliaLang/julia