Create proper directory and switch to 2.4 commit
Create proper directory and switch to 2.4 commit

At first create a directory called db-test-app
then clone the OpenShift Ruby hello world repo
and switch to commit which works with ruby-2.4.

Signed-off-by: Petr "Stone" Hracek <5ec98b824b3d06300936ce230b04e9851e98fc96@redhat.com>

sclorg/s2i-ruby-container,openshift/sti-ruby,openshift/sti-ruby,sclorg/s2i-ruby-container,sclorg/s2i-ruby-container