OO-922 refactored default tools in collab tools to be thread save, disable wiki run when sec setting, chelp and i18n for security module

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

OO-798, OO-797, OO-796: update the webdav implementation based on Tomcat, make OpenOLAt work under root context, small refactoring of the dispatchers, push raw files dispatcher to its own servlet, implements Digest authentication...

CL-232: in RESTAPI updated node are not set as dirty, course without changes are published and are in a rare status, access are resetted by publish

no-jira: update the xsl stylesheet to generate the REST API documentation, regenerate the documentation

CL-232: allow creation of course with title, shortTitle and RepositoryEntry displayName as parameters

CL-232: add the possibility to set the access/membersOnly flag in REST API (create course with parameters)

CL-232: enhance REST API to manage calendar events in a course, hardened login filter against concurrent startup, add headers

OO-613: unify Onyx QTI 2.1 tools with the OLAT QTI 1.2 tools to remove duplicate code, change the WebService stack for Onyx

OO-623: add fields for managed groups and repository entries, add a lifecycle DB object, enhance the REST API to search with externalId/externalRef...

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-531: work on date chooser, callout and dialog, replace last ajax tree, customize CSS from jqeury components to match openolat GUI

no-jira: implements database monitoring for c3p0 without c3p0 dependency in classpath and for the tomcat embedded pool