elastic/elasticsearch-net 1.5.1 on GitHub

#1310 Suggest<T> doesn't infer index name from T(TY @gmoskovicz)
#1323 MultiPercolate now has support for PercolateMany (TY @gmoskovicz)
#1401 Keep exceptions stack trace in async calls (TY @vbfox)
#1403 Multiple Extended Stats aggregations are not parsed correctly in ISearchResponse
#1407 Support distance_type for SortGeoDistance
#1410 Added overload to DismaxQueryDescriptor's Queries method to take QueryContainer[](TY @xueye)
#1412 RangeFilterJsonConverter doesn't correctly serialize gt and lt (TY @aochsner)
#1416 IMultiGetOperation can now be deserialized (TY @abibell)
#1418 function_score query doesn't have filter property (TY @gmoskovicz)