cmake & impl: arviz drawer base class

See merge request ArmarX/RobotAPI!152

Change ExampleMemoryClient

See merge request ArmarX/RobotAPI!150

* commit data every iteration
* add some changing data (set the_double to sin of the current time)
* increase frequency of run
* add comments

const correctness (@simox)

See merge request ArmarX/RobotAPI!143

# Conflicts:
#	source/RobotAPI/components/armem/CMakeLists.txt
#	source/RobotAPI/components/armem/server/RobotStateMemory/RobotStateMemory.cpp
#	source/RobotAPI/libraries/armem_robot_mapping/MappingDataReader.cpp
#	source/RobotAPI/libraries/aron/core/CMakeLists.txt

armem/dev -> master

See merge request ArmarX/RobotAPI!140

Refactor inheritance in armem/core

See merge request ArmarX/RobotAPI!139

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