Updates to use STI build
Merge pull request #20 from marianitadn/updates-to-ruby-app

Demo enhancements
Update maine page style
add local db configuration settings
Merge pull request #22 from bparees/db_config

add local db configuration settings
set rackup config to port 8080
Merge pull request #23 from bparees/sti_config

set rackup config to port 8080
Update config.ru
Merge pull request #21 from marianitadn/updates-to-ruby-app

Read DB config from Yaml file. Update maine page style
center the header