isvalid() chr2ind() ind2chr() for SubString of DirectIndexString
Merge pull request #7255 from davidanthoff/fixopenblasbuilderroronwin

Add missing -lgfortran flag to a openblas makefile
fix szfile and szarray values

replace 0xffffffff with typemax(Uint32)
add a test with a larger offset than 64k
use div(a, b) instead of ifloor(a/b)
make 'julia --help' output more uniform in style. Also update manpage, and getting started guide for latest flags.
Merge pull request #7260 from sjkelly/man_page_updates

make 'julia --help' output more uniform in style.
Tweak description of assignment scoping

A local variable can be introduced into an enclosing scope without the `local` keyword. The use of the term "explicit" here makes one think of the `local` keyword.
add extra error message info from Windows API
WINDOWS: quiet the wine cross-build
/bin/sh shebang instead of /bin/bash in deps/jlchecksum
Merge pull request #7242 from tkelman/mmap_windows

Fix mmap_array with offset on Windows
Add `make install` instructions.

Adds a description of using the `prefix` variable along with `make install` in addition to the symlink or `PATH` options. Also, changing it to a bullet-list makes it clearer that they are alternatives, not ordered steps to follow.
Update CONTRIBUTING.md

Close #7273
Eliminate bash-isms
Merge pull request #7270 from lucasb-eyer/patch-1

Add `make install` instructions.
Fix typo in qrfact doc.
Fix Windows symlink issues

On Windows, symlinks require admin priveleges.  For directories,
it is possible to create junction points instead.  This PR

* Provide a message on Windows if symlink creation fails, indicating
  that symlinks require admin priveleges
* Automatically attempts to create junction points whenever symlinking
  a directory
Merge pull request #7268 from JuliaLang/sf/dontbashme

/bin/sh shebang instead of /bin/bash in deps/jlchecksum
Update splash screen in getting-started.rst to current
Merge pull request #7276 from ivarne/patch-4

Update splash screen in getting-started.rst to current
Merge branch 'master' of https://github.com/JuliaLang/julia