let oo-exec-ruby handle scl and non-scl for various reasons
oo-mco is ruby193 specific and depends on scl directly, call scl ruby193 directly
Revert "oo-mco is ruby193 specific and depends on scl directly, call scl ruby193 directly"

This reverts commit 00981c47a56a0683549e9497fecae8928bfd65d0.
have oo-exec-ruby handle scl, non-scl, and error on too old version of ruby
Merge pull request #5873 from maxamillion/admiller/oo-exec-ruby

Merged by openshift-bot