Make mongocxx install script more user friendly. Add a clear warning with what to do if mongocxx is missing.

ArMem Viewer: Resolve Memory IDs

See merge request ArmarX/RobotAPI!170

# Conflicts:
#	source/RobotAPI/libraries/armem/CMakeLists.txt
#	source/RobotAPI/libraries/armem_vision/aron_conversions.cpp
#	source/RobotAPI/libraries/armem_vision/client/laser_scans/Reader.cpp
#	source/RobotAPI/libraries/armem_vision/client/laser_scans/Reader.h
#	source/RobotAPI/libraries/armem_vision/client/laser_scans/Writer.cpp
#	source/RobotAPI/libraries/armem_vision/client/laser_scans/Writer.h

Feature/armem robot vision (previously armem_robot_mapping)

See merge request ArmarX/RobotAPI!164

bugfix: platform position controller is turning into wrong direction

See merge request ArmarX/RobotAPI!169

fixes due to changes in simox: some methods are now const

See merge request ArmarX/RobotAPI!165

aron updates (equality operator for ptrs, refactorings, splitted tests, finished randomization for ndarray types)