update readme url
Merge pull request #6 from bparees/master

update readme url
Update README.md
Merge pull request #7 from openshift/blog_part1

Update README.md
Update Dockerfile
Update Dockerfile
Connect Ruby app to database.
  - Update CentOS image, to Ruby2.0
  - Install MySQL2, Active Record  gems
  - Connect Sinatra app to database
Merge pull request #5 from marianitadn/connect-app-to-database

Connect Ruby app to database.
Get database container IP from environment variables
Merge pull request #10 from marianitadn/update-database-ip

Get database container IP from environment variables
use cmd not entrypoint so it can be overridden.
print out db connection parameters
fix active record db host
Create and show database objects in when running the app
test change
revert test change
Merge pull request #8 from marianitadn/talk-with-database

Create and show database objects in when running the app
fix up db configuration
Merge pull request #17 from bparees/master

fix up db configuration settings and permissions
enable app to be built by sti