[FEATURE] save filters in session

See merge request !27

[TASK] Take the no_search field into consideration when generating sitemaps to avoid jobs being shown twice

[BUGFIX] Check rootline when generating sitemap

See merge request !34

[FEATURE] Add link to allow external job application URLs, some cleanup, TCA restructured a little bit

[TASK] Add a route configuration that can be imported in siteConfiguration

See merge request !33

[TASK] Release of version 4.1.3, Disallow pagination pages greater than the maximum allowed number of possible pages