java: QueryBuilders cleanup (add and deprecate)

Some QueryBuilders are missing or have a different naming than the other ones.

This patch is applied to branch 1.x and master (elasticsearch 1.5 and 2.0):

Added
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* `templateQuery(...)`
* `commonTermsQuery(...)`
* `queryStringQuery(...)`
* `simpleQueryStringQuery(...)`

Deprecated
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* `commonTerms(...)`
* `queryString(...)`
* `simpleQueryString(...)`