Make EntityCapsManager's node version configurable

Also some cleanup of caps code.
Cleanup of deprecated methods (SMACK-432)
Make jul.properties only configure Smack's namespace

Fixes SMACK-535
Remove java.beans dependency

The java.beans package is not available on all platforms (e.g. Android).
Announce support for vcard-temp/XEP-54

Add VCardManager to setup the vcard-temp feature. Fixes SMACK-414.