Utilities/ Model/ Extras/ Diff/ Deprecated/ CoreObject.h: Relicense to MIT or add missing license header

git-svn-id: svn://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/CoreObject@9875 7b3f36aa-e6db-49c1-8b4c-66eac1997e64
Remove redundant 'Sandbox' and 'Deprecated' directories and move their contents to Scraps

git-svn-id: svn://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/CoreObject@9876 7b3f36aa-e6db-49c1-8b4c-66eac1997e64