Pkg2: slight error/info messaging tweak.
Revert "Fix inv for triangular matrices"

This reverts commit 247af6bd28773243e9a7dc8437cf1d3780688603.
Revert "Fix #3622"

This reverts commit c339b44a372cc996563a59c50f961eda979632c0.
Fix inv for triangular matrices
Alternative fix to #3594
Merge pull request #3629 from amitmurthy/amitm/ptest

Alternative fix to #3594
Merge branch 'master' of github.com:JuliaLang/julia into jb/inbounds
Merge pull request #3268 from JuliaLang/jb/inbounds

RFC: macros for disabling bounds checks
Move peakflops() from util.jl to base/linalg/generic.jl
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 reference to 'extras' dir from README
Allow launching child processes with different ENV
Remove unused environ on Mac