Add relation to geoshape filters

Closes #1090
BasicAuthorization should be BasicAuthentication!
fix #1080 keep track off timeout over multiple delegated calls into cluster

Conflicts:
	src/Elasticsearch.Net/Connection/Configuration/IConnectionConfigurationValues.cs
	src/Elasticsearch.Net/Connection/RequestHandlers/RequestHandlerBase.cs
	src/Tests/Elasticsearch.Net.Tests.Unit/Elasticsearch.Net.Tests.Unit.csproj
Bump version to 1.3.1
Merge tag '1.3.1'

1.3.1

Conflicts:
	src/Nest/Properties/AssemblyInfo.cs