Tutorial code improvements

http://www.couchbase.com/docs/couchbase-sdk-java-1.1/using-vbuckets.html
http://www.couchbase.com/docs/couchbase-sdk-java-1.1/complete-tutorial-code.html
http://www.couchbase.com/docs/couchbase-sdk-java-1.1/complete-tutorial-code-with-views.html

• both reference "rags" bucket and the first two use "password" instead of the default empty string.

• The last two have extraneous System.exit(0)

• It is not clear how the vBuckets initialization is different from the other client initialization. From v1.8 docs section 1.3.5, vBuckets are not user accessible. It is unclear why there would be special code to connect to them

• The example output is missing from the vBuckets page

• capitalization of vBuckets should be consistent

http://www.couchbase.com/docs/couchbase-sdk-java-1.1/connecting.html

• There is no fallbackAddress variable
• The fallback variable lines should be added after the third line