* Fixed COBranch documentation generation issues

* Discussed branch creation in COBranch documentation

* Made some small documentation improvements e.g. -undo, -redo


git-svn-id: http://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/CoreObject@10210 7b3f36aa-e6db-49c1-8b4c-66eac1997e64