Merge branch 'development' into '530-js-only-class'

.gitignore

app/Http/Controllers/LanguageController.php

app/Http/Controllers/MailController.php

app/Http/Controllers/StartpageController.php

app/Models/LanguageObject.php

app/Models/parserSkripte/Minisucher.php

app/Models/parserSkripte/Opencrawlpolitik.php

gulpfile.js

public/img/blacklist-tutorial-searchexample.png

public/js/scriptSubPages.js

public/js/settings.js

public/langfiles.zip

resources/assets/js/scriptResultPage.js

resources/assets/js/scriptStartPage.js

resources/assets/less/metager/base.less

resources/lang/de/about.php

resources/lang/de/hilfe.php

resources/lang/de/metaGer.php

resources/lang/de/settings.php

resources/lang/en/hilfe.php