add the presentation link
some fix and correction
add spec test
ignore
improve prez
add twitter link
add twitter link
en version
style and formating
update image and style
add .idea in ignore list
Merge branch 'gh-pages' of https://github.com/cbalit/prez-webcomponents into gh-pages

Conflicts:
	.gitignore
	css/custom.css
	index.html