Release for Rodin 2.8 before targetting Rodin 3.0

git-svn-id: svn://svn.code.sf.net/p/rodin-b-sharp/svn/tags/iUML-BStatemachinesAndAnimation/V2_0_0@16301 1434b563-b632-4741-aa49-43a3a8374d2e

Revert back to r15429 (undo commit 15430 on wrong repository)

git-svn-id: svn://svn.code.sf.net/p/rodin-b-sharp/svn/tags/iumlb/classdiagrams/pre_release_before_refactoring_Nov12@15431 1434b563-b632-4741-aa49-43a3a8374d2e