chore(index.html): update MDL, page title, ng2 app placeholder
chore(index.html): update MDL, page title, ng2 app placeholder

manekinekko/devfest-2015-ng2-codelab,manekinekko/devfest-2015-ng2-codelab,manekinekko/devfest-2015-ng2-codelab