Move Information Unit to logical algebra

algebra/logical/expressions.hpp

algebra/logical/operators.cpp

algebra/logical/operators.hpp

algebra/physical/Operator.hpp

algebra/physical/expressions.hpp

include/tardisdb/queryCompiler/QueryContext.hpp

include/tardisdb/semanticAnalyser/SemanticalVerifier.hpp

...de/tardisdb/semanticAnalyser/logicalAlgebra/IUFactory.hpp

...disdb/semanticAnalyser/logicalAlgebra/InformationUnit.hpp

tests/types_test.cpp

tools/semanticalAnalyser/logicalAlgebra/IUFactory.cpp