Reorganize the repository, Ref #25
Fix the obsolete item
Update related extensions to new builder/installer
Merge branch 'master' into new-builder

Conflicts:
	src/extensions/osmetacontent/src/osmetacontent.xml
	src/extensions/osmetarenderer/src/osmetarenderer.xml
	src/osmeta.xml
Update the creation date
Standardise the no direct access checker