Neuentwicklung der Exporte closes StEP #1959

app/controllers/admin/courses.php

app/controllers/admin/user.php

app/controllers/course/grouping.php

app/controllers/course/members.php

app/controllers/course/statusgroups.php

app/controllers/institute/members.php

app/controllers/studip_controller.php

app/views/admin/courses/batch_export_members.php

app/views/admin/user/batch_export_members.php

composer.json

composer.lock

lib/evaluation/classes/EvaluationExportManager.class.php

lib/export/csv-p-1.xsl

lib/export/csv-p-2.xsl

lib/export/csv-t-1.xsl

lib/export/csv-t-2.xsl

lib/export/csv-t-3.xsl

lib/export/csv-v-1.xsl

lib/export/csv-v-2.xsl

lib/export/export_choose_xslt.inc.php