enable app to be built by sti
Merge pull request #18 from bparees/enable_sti

enable hello world app for STI building
update sample app to do crud ops
Merge pull request #19 from bparees/add_crud

update sample app to do crud ops
Updates to use STI build
Merge pull request #20 from marianitadn/updates-to-ruby-app

Demo enhancements
Merge remote-tracking branch 'upstream/master'