Moved sample apps to their own folder, touched up welcome screen, place config in /etc/shiny-server/shiny-server.conf by default.
Remove drop shadow from subtitle.
Create /etc/shiny-server on install.
Get default config prefix right.
Changed colors on welcome page.
Added Ubuntu Vagrant image.
Reword some of the config descriptions.
Make examples compatible with latest Doc changes.
Removed unused cjson dependency.
Added NOTICE file.