Git surgery to extract harfbuzz-ng out of Pango tree

Merged older harfbuzz-ng tree into it to preserve history.
Still hasn't merged with upstream harfbuzz tree though.
[HB] Add glyph_metrics typedef
1 file changed
tree: 871e19603d363c2a1b3d73ba2cec69eb0a1e9654
  1. src/