Revise armem core; remove virtual inheritance. Move constructors to base classes. Remove copy ctors and operators

Add Object Memory with Class and Instance Segments

See merge request ArmarX/RobotAPI!133

# Conflicts:
#	source/RobotAPI/libraries/armem/CMakeLists.txt
#	source/RobotAPI/libraries/armem/core/detail/EntityContainer.h
#	source/RobotAPI/libraries/armem/server/MemoryToIceAdapter.h

Memory structure changes, query_proc structure changes (Base classes / templated)

See merge request ArmarX/RobotAPI!136

Move code from MemoryID to cpp
Make spacing nicer and consistent
Make Entity derive from MaxHistorySize

# Conflicts:
#	source/RobotAPI/libraries/armem_robot_mapping/MappingDataReader.cpp
#	source/RobotAPI/libraries/aron/core/CMakeLists.txt

renamed stuff, added namespaces to base classes, shortened namespaces of memories, fixed robotsensormemory memory name