no-jira: fix selenium tests after the changes in the menu and navigation bar, update Selenium libraries to version 2.44.0

OO-729,OO-1291: implements infrastructure for OAuth 1.0 and 2.0 authentication, add standard providers as facebook, linkedin...

OO-1228: reduce sleep time in unit tests, update undertow, remove some translator error in course wizard, make that the unit tests for the identity power search really test and fail if something goes wrong...

OO-1228: remove some profiles, more in the standard build process, create drop database for selenium tests, merge the different olat.local.properties for local, arquillian and eclipse

no-jira: implement a workaround to the NPE at startup in ACMethodManager, AC package use more autowired, upgrade spring the last 3.x version, hibernate to last version, mysql and postgresql jdbc connector

OO-1068:  update licenses, automatically include the NOTICE.TXT in the about.html, automatically languages informations and translators in about.html and current version of OpenOLAT

OO-1068: remove dataTables of the question pool, implement dnd on the classic flexi table, remove uilayout too

OO-1068 compile bootstrap js, auto switch js source and js-min version based on debug flag, add config defaults for sites and personal menu

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

OO-983: implements images for catalog, with crop tool, remove dependency to o'reilly servlet library, refactor calendar upload to use the standard FileElement (FlexiForm), use Base64 encoder of XStream (unit tested against infinispan encode, can after use the impl of JDK 8)...

OO-984: add media mapper for description, objectives, credits, requirements, refactor long to int conversion in quota, remove some used parameters for the rich text element

OO-716: most charts are horizontal, add units everywhere, refactor to a factory to generate the content of charts for items...