Update geqrt! for in-place updates along the lines of #4268.
load .juliarc.jl in script mode too. closes #5076
Merge branch 'master' of github.com:JuliaLang/julia
Merge branch 'bigrng' of github.com:andrioni/julia into andrioni-bigrng

Conflicts:
	base/gmp.jl
	base/mpfr.jl
	doc/stdlib/base.rst
Merge branch 'master' of github.com:JuliaLang/julia
Revert "Merge branch 'bigrng' of github.com:andrioni/julia into andrioni-bigrng"

This reverts commit 4cc21ca56a3e335c7ab2fbf3fa1d1cd5d8997839, reversing
changes made to 4f9a2a98c3297a8bf2a323a6f1949ec301f5d8ec.
enable verifyFunction in DEBUG builds
fix #5233

when passing a typevar with a concrete upper bound to inference, pass
the upper bound instead. this prevents confusion when later stages
believe something to be a concrete type and it's actually a typevar
instead.
A faster sum implementation (using four-way accumulation)
better explanation of the micro-optimization of sum_seq
modified sum based on Steven's comments.
Merge branch 'dh/fastsum' of https://github.com/lindahua/julia into dh/fastsum
Merge pull request #4925 from JuliaLang/sf/debugtools

debugging tools for *nix platforms
close handles after opening them in Sys.dlpath()
move @inbounds to the beginning of the if-else block (for sum_seq)
Merge pull request #5235 from lindahua/dh/fastsum

Faster implementation of sum
formatting fixes
add DomainError for ^. part of #5234
Update Windows readme

- Reorder native installation steps so that all dependencies are installed first
- Update installation instructions for MinGW-builds to use their nice new installer
- Add explicit steps to update the MSYS path
- Add and sort through explicit tips to plow through build failures
- Remove reference to `julia.bat` as part of #4861

Closes #4641
Update Windows readme with MinGW-builds/MSYS2 option

One day #4589 will be fixed and these will be useful.