Subhash Gopalakrishnan b758b76da4 Support year units in date math expressions
According to http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/mapping-date-format.html, the date math expressions support M (month), w (week), h (hour), m (minute), and s (second) units. Why years are not supported? Please add support for year units.

Closes #3828.
Closes #3874.
2013-10-11 09:24:52 +02:00
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2013-10-09 16:34:30 +02:00