FOSS activities July to September 2019

What I've been doing related with Open source:

• puma/puma
  • Add REQUEST_PATH on parse error message #1831
  • Check puma config environment file on control_cli #1885
• autozimu/LanguageClient-neovim
  • Fix clippy::clone-on-copy #870
• ogham/exa
  • Fix vagrant integration tests #562
• patsplat/plist
  • Add error unimplemented #51