Add DelimitedPayloadTokenFilter according to www.elasticsearch.org/guide/en/elasticsearch/reference/current/analysis-delimited-payload-tokenfilter.html
Possible fix for issue #639
Merge pull request #683 from Bloomerang/master

Possible fix for issue #639
Merge pull request #680 from danp60/feature/delimited_payload_token_filter

Add DelimitedPayloadTokenFilter
Merge branch 'master' of https://github.com/gmarz/elasticsearch-net