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Added a static map with collection factories, to help SerDes designing.
Redesigned OverlaySerdes to use CollectionFactoryMap.
Renamed CollectionInitMap to CollectionFactoryMap.
Created a JsonSerdes base class to help creating Serdes of JSON serialized values.
JsonStringSerdes.
Added type safe collection retrieval capability to FluentRequest.
Added mocks of ServerConnection and Response to support tests.
Added tests of FluentRequestImpl.
Checkstyle issues.
JsonSerdes and descendants docs.
Checkstyle issues and comments.
Added model objects to tests.