Make password strength strings easier to translate.
Increase the default recipient display limit to 20.
Fix password strength translations strings.

- Add proper default translations.
- Uppercase “OK” in the translation.
Merge pull request #2251 from vanilla/hotfix/conversation-participants-20

Increase the default recipient display limit to 20.
Merge pull request #2206 from vanilla/hotfix/password-strentch-translations

Make password strength strings easier to translate.
Fix order of checks which logging statistics hit
Merge pull request #2264 from vanilla/hotfix/statistics-check

Fixes order of checks when logging statistics hit.
Fix the dashboard summary urls.
Update for vBulletin 5.1 password hashing
Don’t allow functions on escaped Gdn_SqlDriver->Set().
Merge pull request #2270 from vanilla/hotfix/sql-hardening

Don’t allow functions on escaped Gdn_SqlDriver->Set().
Merge pull request #2268 from vanilla/feature/vb-5-1

Update for vBulletin 5.1 password hashing