Kerning to fix

[thundernixon]

dcaron, braceright

[davelab6]

Sounds good! I would love to have a fontbakery check for glyph collisions.

We should probably have a check for a set of "common" kerns that WARNs if they aren't there, and the set can be statistically devised from a set of fonts with a given common glyph set and vouched for kerning.