Added internationalization to the WS generator

[Tomas-Kraus]

Hello.

Modifications were made to bring i18n to the WS generator.
Internationalized literals were extracted from classes and ported to MessageBundle.properties files. Then, mapping was made in Messages.java enumerations and ported to the relevant classes.

This will allow users to fully internationalize their generated javadoc wich is important when the final customer of the WSDL generated classes isn't of english language.

Patch is provided in attachment.

This issue is linked to its JAXB counterpart issue JAXB-841

Environment

Windows XP, Java 5 with JAX-WS 2.2.X

Affected Versions

[2.2, 2.2.1, 2.2.2, 2.2.3, 2.2.4, current]

Source: javaee/metro-jax-ws#954
Author: glassfishrobot