Add connection setting to enable/disable HTTP pipelining
Implement GeoHash Filter #404
File GeoHashCellFilter.cs has been renamed to GeoHashCellFilterJson.cs
Improve API around basic authorization
Add integration tests for basic authorization
Unescape credentials on URI before adding basic auth header (ty @Tasteful)
Feature/geo hash filter #1033
Merge pull request #1033 from robertlyson/feature/GeoHashFilter

Feature/geo hash filter
Merge pull request #1032 from elasticsearch/feature/configure-pipelining

Add connection setting to enable/disable HTTP pipelining
Merge branch 'develop' into feature/basicauth

Conflicts:
	src/Elasticsearch.Net/Connection/Configuration/ConnectionConfiguration.cs
	src/Elasticsearch.Net/Connection/Configuration/IRequestConfiguration.cs
	src/Elasticsearch.Net/Connection/Configuration/RequestConfiguration.cs
	src/Elasticsearch.Net/Connection/Configuration/RequestConfigurationDescriptor.cs
	src/Elasticsearch.Net/Connection/HttpConnection.cs
fixed broken build after merging
Add sum_other_doc_count to bucket agg response

Closes #1041