Month 2019-05

Merge branch 'release/v5.0.1'

* release/v5.0.1:
  5.0.1
  Update copyright years
  Change OS voice install descriptions, link
  Switch to full tab options
  Use absolute paths for testing using google-chrome

5.0.1

Update copyright years

Change OS voice install descriptions, link

- Change link for macOS. Old was broken; this one might break as well.
- Describe how to reach the system settings in macOS, Windows 10.

Switch to full tab options

- Google Chrome 74 seems to have an issue with Talkie's options page.
- The options page itself works fine, but displaying it in Chrome's extension details page for Talkie does no…

Use absolute paths for testing using google-chrome