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

OO-592: break direct dependency to UserDataDeletable and DeletableGroupData interfaces, remove unused spring configuration files...

OO-449: show "do not disturb" status in the homepage, list of course members, list of groups members

OO-532: replace the calendar view with fullcalendar, a jQuery plugin with day, week, month views, drag and drop...

OO-531: work on tooltip for link, CSS for tooltip, ajax tree replacement in e-portfolio, z-index in dialog, compressed javascripts, update jquery and jquery ui

OO-567: the detail's result of a portfolio task show all the portfolios and not only the one which the template is linked to the course building block

OO-450 merge link formatter from IM to already existing formatter code, add emoticons formatter for most used emoticons

OO-450 improve chat layout, imitating skype as best practice example. add link to user visiting card. change small portait image size to 30x30 to match icons available in default theme

OO-449 OO-448 OO-450 fixing configuration issues and dependencies in IM module, adding context help and translations, some GUI optimizations

OO-449: remove all surviving @Transactional, add unit tests in groups to test them, add a missing view in IM, add unit tests to check it...