* Added CoreObject scheme as a shared scheme to support building CoreObject and 
its dependencies with xcodebuild

* Documented how to install CoreObject in a system location with xcodebuild


git-svn-id: http://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/CoreObject@10086 7b3f36aa-e6db-49c1-8b4c-66eac1997e64