[API] [1.0] Added the "Term Vectors" API

See: http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/docs-termvectors.html

Related:

* elasticsearch/elasticsearch#3114
* elasticsearch/elasticsearch#3115
[API] [1.0] Added the "Multi Term Vectors" API

See: http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/docs-multi-termvectors.html

Related:

* elasticsearch/elasticsearch#3536
* elasticsearch/elasticsearch#3537