added quit option in notif in app.js

added quit option in notif in file-upload.js

added quit option in notif in fileinfomodel.js

added quit option in notif in filelist.js

added quit option in notif in filelist.js

added quit option in notif in tagsplugin.js

added quit option in notif in statusmanager.js

added quit option in notif in external.js

added quit option in notif in versionstabview.js

added quit option in notif in notification.js

changes according to the latest review.

timeout removed since there is a button to close it

translation capability added

typo fixed

test files updated

small errors fixed

Signed-off-by: Morris Jobke <hey@morrisjobke.de>