Automatically create a ~/.gemrc file

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

Faster installation of MSYS on Ruby <= 2.3 on Windows

• See #44

Install the old MSYS DevKit on Ruby <= 2.3 on Windows

• See #41

Add JRuby 9.2.11.1

v1.24.1

Add JRuby 9.2.11.1

Cleanups for Windows, add MSYS2 to path for mswin

• See #39

Add JRuby 9.1.17.0

• See #35

Remove conflicting Ruby from PATH on all platforms

• See #32
• Automatically setup dev tools for ruby-mswin

Add JRuby 9.2.11.0

v1.21.0

Add JRuby 9.2.11.0

Use the system tar on Windows

• Fixes #28
• See #29

Add support for mingw and mswin ruby-loco builds on Windows

• See #24