Make the ba-linkify library not allow a leading = for emails. This isn't really correct, but no real email addresses do this and it fixes R= lines that use @chromium.org where the first one would contain R= in the email address.
Make the ba-linkify library not allow a leading = for emails. This isn't really correct, but no real email addresses do this and it fixes R= lines that use @chromium.org where the first one would contain R= in the email address.

esprehn/chromium-codereview,esprehn/chromium-codereview