Modified existing and added additional styles
Added DynamicSitemaps gem
Configured sitemap.xml for Google indexing
Added keynote speakers profiles
Added <em> style
Corrected typo
Merge branch 'development'

Conflicts:
	app/assets/stylesheets/application.css.scss
	app/views/main/program.html.erb
Updated CSS from branch merge
Corrected link for register button
Updated powder link
Updated rails version to 3.2.11
Additional sponsors and speaker added to site
Added additional speaker
Removed the abstract submission details
Content changes to register and program