chore(website): Add element.js to the code doc generator and update tests.

Add element.js to the doc generator.
Fix broken test.
Add tests for element.all(), element(), and browser.
chore(website): Upgrade to angular 1.3.6.
chore(website): Add favicon to website.
chore(release): Add steps for website.
chore(website): Remove unnecessary scripts and css file from index.

Fix bootstrap css path in less
Remove gulp task to copy files from bower
Remove unnecessary css/bootstrap.min.css, js/bootstrap.min.js, and js/lodash.min.js