Added a getting started session
 Moved the mailing list to under Twitter on front page. Removed from header. Adding styling for btn-s
 Adding in user voice feedback
Merge branch 'next_doc_release' into gh-pages

Conflicts:
	_posts/2014-01-01-get-started.markdown
Merge branch 'next_doc_release' of git://github.com/thnkr/gooddata-ruby into gh-pages
Removed version specifier from getting started