Windows - set ENV['MAKE']

Automatically create a ~/.gemrc file

* To avoid generating documentation on `gem install`, which can take a long time.

Windows MSYS - move install to ssd drive

export run

Add JRuby 9.2.11.1

Deduplicate the list of path entries for MSYS2

Add JRuby 9.1.17.0

Small cleanups

Add JRuby 9.2.11.0

ruby-builder.js - Win32 - use C:\Windows\system32\tar.exe