Fix broken link

A type in a link to the dual monitor help page
Update translations

Fixes broken html markup that was messing up translations
Merge pull request #5 from endlessm/shell/3909

Shell/3909
Another translation fix from Transifex

[endlessm/eos-shell#3909]
Another translation fix

Synced .pot file and translation for "dual" vs. "daul" fix.

[endlessm/eos-shell#3909]