Update sv-SE.js

Fixed a spelling error in the Swedish translation of the error message for required fields.
Merge pull request #420 from emilast/master

Update sv-SE.js (spelling error)
Added Czech (cs-CZ) localization file.
Merge pull request #430 from martin-maly/master

Added Czech (cs-CZ) localization file.
Add punctuation to validation messages to increase consistency
Change tests to match new error messages.
Merge pull request #445 from geeksnglitter/punctuation_fix

Add punctuation to validation messages to increase consistency
Merge pull request #1 from Knockout-Contrib/master

Update from origin