New profile: add event info to tooltip

This appears to correctly add the tooltip to the event item, but for some
reason the tooltip isn't displayed for most events.

Still needs more work.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Removing MacRoman encoding from sample dive

MacRoman encoding is poorly supported, and there is nothing that needs
any special encodings in the sample file. Thus removing the whole
encoding directive.

Fixes #441

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>