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...

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branch : 80-patch

OO-120: reduce the dependency graph of our chat implementation by removing somme inner class, remove the groupchatcontroller after destroy, update smack to 3.2.2

remove legacy wikiMarkup form + RadeoxLibrary

FXOLAT-388: remove dependency to edenlib, rewrite import/export for repository entries, groups and the read method from institution portlet

FXOLAT-376: refresh the doc for unit/selenium tests + fix some issues with the POM, duplicate plugins...

FXOLAT-243: backport the clean-up of third party libraries to OpenOLAT (remove HSQLDB from WAR, cluster libs if not wanted...)

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branch : FXOLAT-306 adaptions to olat for moodleconverter

FXOLAT-224: generate the REST API document with a maven profile and copy the documentation in the source code

FXOLAT-207: fix some erros in Spring configuration specific to tests, make the Grizzly start only once to prevent memory leaks, update pom to use the resources in src/test/java..., fix some path in olat.local.properties (test specific)

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branch : bps