OO-299: fix clean up of info message course building block which delete all the messages of the course and not only its own

OO-287 fix nullpointer in neko page parser for openolat relative links which do not point to a file directory

OO-256: move the access controlling from the velocity template fo catalog to the repository manager where it's fully implemented

OO-280: cleanup pom.xml, remove unused profils, remove profiles for selenium 1, remove unused plugins

OO-280: build the infrastructure for Selenium 2, Arquillian and a managed Tomcat 7.0, remove old selenium 1 tests, remove profile of Firefox...

OO-278 fix wrong default value for localization.cache, sample file should reflect more production than development setup

OO-278 fix wrong default value for debug mode and check if source path really exists when setting to prevent followup errors.

OO-279 add missing quota permission check in repository entry details page, move check code to quota manager