pippinsplugins/Sugar-Event-Calendar-Lite — pull request #9 by devinsays (2014-10-30 19:46:29+00:00)
Title: Use dashicon for calendar icon.

I think you can drop support for the custom icon in old versions of WordPress, and instead use the dashicon. Didn't test pre-3.9 but I believe this renders fine.

IDE stripped out whitespace, which is why the commit is a little muddy.