shixiong/okd @ a0b6fc7db1be2cf6190d982f90e96f4c39a4c699

Scott Dodson b1d30491f1 Remove yum / dnf duplication		9 lat temu
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best_practices_guide.adoc	b1d30491f1 Remove yum / dnf duplication	9 lat temu
core_concepts_guide.adoc	8625cf7d8b changed Openshift to OpenShift	9 lat temu
style_guide.adoc	56337d04f3 added decisions made at the last ansible arch meeting.	9 lat temu