OO-990: mostly fix of the authoring GUI, and unit tests, integrate the demo course to the test resource

OO-852: implements the new bulk assessment wizard, move the task executor and scheduler in the services package

OO-834: delegate the search to a pool to contains the Lucene bag habit to use ThreadLocals, update Lucene to 4.5.1

OO-622,CL-225: remove username from GUI in place where is not really needed and students can see it. Mark others place with //TODO username where it need more works and/or the username is only visible by author/coach/admin... Additional fix the setup sql for MySQL (index too long).

OO-592: remove tx manager annotations scanner, move configurations in resources/serviceconfig to java/... where they are needed, use import instead of the *Context.xml which allow deployment on weblogic and some others small fixes

After merge: break dependency in the full text search beans, reduce the last generated by the tests of the coaching manager on MySQL 5.1...