- `roboto-hinted.zip`: Contains hinting instructions. Recommended whe…

…rever this is needed (Windows, Chrome on Linux).

- `roboto-android.zip`: Has optimized outlines, no hinting, and glyphs U+20E3, U+2191, and U+2193 (comb. keycap, up/down arrows) removed. Recommended wherever this is acceptable.
- `roboto-unhinted.zip`: The simple output of `make`.

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Merge pull request #193 from google/fea-fix

Ligature fix

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Merge pull request #149 from jamesgk/android

Fix various regressions from current Android binaries