OO-1284,OO-998: wording, fix managed group which override configuration, fix validation method of contact course element if deployed from course

OO-1338: English translations, add access informations in auto-publish, publish informations in status panel...

- fixed error-clearing issue
- de_i18nkeys
- wrong collected recepient adresses

OO-1254,OO-732: fix default template in certificate settings, wording, english translation, fix breadcrumb in the efficiency statement user tool

OO-1338: fix double layer of busy flag, fix business path in the pattern Overview>List>Details in "My Courses", "Authoring environment" and "Groups", fix double close events in repository runtime, fix missing node in logging rules (as we start editor with a course node selected)...

no-jira: feedback, update QTI test after closing the editor, description not mandatory on copy, footer url in the middle text, double icons in passed / failed line of the details page of a course...

OO-1343: add three different style choices to catalog, refactor the catalog admin, refactor the image pipeline of the catalog to reduce the number of scaling

	OO-1253: not assessable nodes and not published nodes return a score of 0.0 instead of the large negative number. If not assessed, no score seems logic but not a large negative value

- fixed a silly use of Autowired
- added missing wording

OO-1254: add a "not dummy" template, ensure temporary directory is created for the preview, a date to date handler and not a string