Cleanup to allow test execution

Operation annotations

Proxy changes: default methods, verification, exposing fieldMap, support for both FieldMap and ModifiableFieldMap
  Processing: chaining

Proxy verification
Misc idea settings

Batch ranking query

major update that adds an UpdateLog that is automatically replayed in case of a hard system fall

Proxy verification
Misc idea settings

modifying <String, ? extends Object> to <String, Object> in all maps in the FieldMap; fixing bug in ModifiableFieldMapBase

Alow construction of BatchKNNQueryOperation using any Iterator,
not only StreamGenericAbstractObjectIterator

Master