[FiraSansOT] [bug 960298] Replace ampersand glyphs in the Italic faces with the regular (upright) glyph of the corresponding weight, slanted to 8° to match the slope of the italic glyphs.
Merge pull request #25 from jfkthame/master

[FiraSansOT] [bug 960298] Replace ampersand glyphs in the Italic faces w...