OO-1768: make a complete create course method which don't use and don't need to lock on the database for a new course

OO-1658 implement HelpTooltip componente to use the new form context help also outside of the form context

OO-1616: refactore the informations panel for Hibernate with infos about database connections, sortable and downloadable tables for queries and entities

OO-1645: the internal links must close the callout window after being clicked, fix order for the CalendarKey

OO-1645: propagate the business rules for private event on home calendar and calendar tool of the course

OO-1645: output the aggregated calendar with the ICAL beautifier and with UTF-8 encoding, fix NPE in print view, remove save and copy