Ignore Resharper settings file
Add CountRaw and CountRaw<T> methods
Correct documention on DeleteByQueryRawAsync

DeleteByQueryRawAsync is no longer obsolete
Add a MapRaw method for creating mappings
Add a CreateIndexRaw method
Added cluster health APIs

Added methods and tests for _cluster/health routes
Add node stats APIs

Add methods and tests for /_nodes/stats routes
Fix typo in StoreStats for SizeInBytes
Export some ElasticClient internals for usage

Allow access to Connection, Settings and ToRespose/ToParsedResponse from
an inheriting class.
Add .XML doc file for all configurations
Merge pull request #142 from NickCraver/master

Stack Exchange additions and changes