Adding JSConf eu to README
JSConf EU First Pass
Changing background image to starzz
Updating video and final slide
Updating sparkle section
Merge remote-tracking branch 'origin/jsconfeu' into gh-pages

Conflicts:
	css/theme/marcysutton.css
	css/theme/marcysutton.css.map
	css/theme/template/ms-theme.scss
	index.html