Added videos
- Extracted the link to the videos and made an embed
- Changed the home page to reflect the videos were added
Added message about Monday's Keynote not being recorded
Modified the message for Monday's keynote, stating a glitch occured
Added support for youtube embeds. Temporarily made all videos a youtube test video.
Changed so that the youtube test video only appears on that one session page
Adjusted the session date, time, location to be on one line
Changed the video embed detection to work only with YouTube URLs
- Removed all checks for hml videos
Merge branch 'videos-for-sessions'

Conflicts:
	css/screen.css
	php/render-page.php
Renamed Program to "Program + Videos"
- Changed the menu links
- Changed the home page link
- Changed the title of the program page