Provide a UTC representation of the meeting to the view_meeting template
Add a title to the start and end date providing their time in UTC

Fixes https://fedorahosted.org/fedocal/ticket/117
Add a doted line below Start and End to highlight the presence of the title
Remove commented code
Fix converting the meeting to UTC, we should use the original meeting object
Merge pull request #124 from fedora-infra/utc_titles

Utc titles