* support font-family names with numbers in (e.g. Font Awesome 5)
* check for spaces in font family names first so generic font names don't get wrapped in quotes
* Update reftest to use fontawesome 5.13.0
* Add fontawesome v4 shims
* Revert "Merge remote-tracking branch 'grahamkane/master' into issue-1948-test-coverage"
This reverts commit 5211ab4065f675d6b3a0896eaabef45fdca4f29f, reversing
changes made to ae0bd29d37109023897514ef854cc54452f39eed.
* Revert "Revert "Merge remote-tracking branch 'grahamkane/master' into issue-1948-test-coverage""
This reverts commit 4911fe25f4ba081f70a9871d6eafc4735f7685f3.
* Revert "Merge remote-tracking branch 'grahamkane/master' into issue-1948-test-coverage"
This reverts commit 5211ab4065f675d6b3a0896eaabef45fdca4f29f, reversing
changes made to ae0bd29d37109023897514ef854cc54452f39eed.
Co-authored-by: Graham Kane <grahamkane@gmail.com>