OpenXmlPackage.Clone() method now always creates editable clone with default OpenSettings
Merge branch 'feat/save-clone' into develop

Conflicts:
	src/ofapi/Properties/AssemblyInfo.cs
Merge branch 'develop' into feat/create-from-template
Modified CreateFromTemplate(string) methods to use the changed OpenXmlPackage.Clone() method.
Merge branch 'feat/create-from-template' into develop