TC Ops: "Documentation Norms" updated

TC Members:  I’ve created and merged
PR 41 . Primary purpose of this PR is to

·
update Documentation-Norms.md to align with current TC practices
·
consistently use published for the default branch
·
remove references to master and release branches

Work Product Editors: if you’re using the branching strategy diagram in your repo’s README.md file, you can either copy or link to the latest version at
https://github.com/oasis-tcs/openc2-tc-ops/blob/master/images/versioning-concept.png

Updated text describing the branching strategy can be found in  Documentation Norms ,
section 4.3.3.1 .

Dave

David Lemire
IA Systems Engineer
Technical Solutions
302 Sentinel Drive
Annapolis
Junction, MD 20701
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