[openFate 305693] Versioning for project data

Feature added by: Martin Mohring (MartinMohring) Feature #305693, revision 1, last change by Title: Versioning for project data Buildservice: Unconfirmed Priority Requester: Mandatory Requested by: Martin Mohring (martinmohring) Partner organization: openSUSE.org Description: Currently, we have versioning of the source files with OBS.Since at least projconf correlates to the sources, it should be versioned to make versioning more of a feature to restore old versions reproducable. -- openSUSE Feature: https://features.opensuse.org/?rm=feature_show&id=305693