Long words in notifier messages can go off the edge

[alexcjohnson]

Thinking about German, now that we have localization abilities (#2195) - we should allow word breaking in Lib.notifier, which already has automatic line breaking.

long word:

vs long message of short words:

seems like an easy fix https://css-tricks.com/snippets/css/prevent-long-urls-from-breaking-out-of-container/