Remove reference to a missing image file.
Update to MyFaces 2.2.0 (Fix #122)

- Remove MyFaces workaround (Fix #122).

https://github.com/mysticfall/pivot4j/issues/122
Clean up Pentaho plugin customization process.
Add message resources from the Pentaho language pack.

- Add German, French, Dutch, Spanish, and Hindi translations.
- Add credit entries to the POM for each translators.