Update to the rpm build docs to ensure the tar.gz file is the same version as in the spec.in file onedrive.spec.in references version v2.4.20 however the docs reference 2.4.15 Co-authored-by: abraunegg <alex.braunegg@gmail.com>
* Update RPM Build documents and DMD minimum version required
* Rename Office365.md --> SharePoint-Shared-Libraries.md which better describes this document
* Move build-rpm-howto.md to docs directory