add slack notification for builds
2.4.0-b4
2.4.0-b5
Tweaking the Device detection titles.  refs #3962
A nice creation by @sgiehl
Refs #5291 Also clearing user agent and accept-language
Make build faster
Disabling test which started failing without an explanation
added r.duckduckgo.com as search engine
should fix ui tests
Submodules
Merge branch 'master' into DeviceDetector2