several changes
* transferred prefetcher/autoTuner large document tweaks from 2.5
* added to smuggler maximum total document size in import chunk - better handling of importing large number of big documents
Fixing namespaces
Removing code that cannot compile
created stab for getting connection options
Merge branch 'master' of https://github.com/grisha-kotler/ravendb
RavenFS - added an option to delete a file system
issue 2224 fixed ( no requests to server if included data already exists)
removed not required file
Merge branch 'master' of github.com:ayende/ravendb into prefetcher-tweaks-large-documents-3.0
Merge branch 'ravenfs-delete-fs' of https://github.com/arekais/ravendb
Merge branch 'prefetcher-tweaks-large-documents-3.0' of https://github.com/myarichuk/ravendb
Merge branch 'RavenDb_2224' of https://github.com/ReginaBricker/ravendb
After code review
More tests for LoadDocument.
CanDoSpacialSearch test.
CanDoSearchBoosting test.
CanProvideSuggestions test.
CanPerformIntersectQuery test.
CanPerformFacetedSearch test.
CanSubscribeToDocumentChanges test.