OO-590: hide guest permission in publish process of course, in details of repo entry, in edit details of repo entry, remove BARG from repository entry list (if guest login is disabled)

OO-588: fix an issue where the last course building block's resource is not imported with the rest of the course

OO-457: refactor tmp folder in OpenOLAT, use the java.io.tmpdir for all temporary files, configuration for absolute path for the indexer, fix deletion of temporary files in some archives, move qtieditor from tmp

OO-356: make the import of groups more robust (in case of very large number of groups), make the import of repository entry more robust (in case of large resource file)

OO-292: rewrite the import for eportfolio with a xslt transformation to remove conflicting resources as user proeprties, artefacts... make the standard xstream more robust to transform hibernate collections in standard ones, make it robust to the package changes within hibernate

OO-291: implements public flag for members in group configuration, check paypal against waiting list, test reservations, fix missing chat checkbox in group collaboration tools configuration

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branch : i18n_OO

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branch : bps