Long-Term Memory changes

See merge request !342

ArViz: discarding layer updates if component name is empty

See merge request !343

Better handle case where robot is not globally localized yet (i.e., can be loaded but not synchronized)

This reverts commit 18db5c8a.

renamed aron converters, added new aron filters and similarity, added memory_conversions to make code look nicer

# Conflicts:
#	source/RobotAPI/libraries/armem_skills/CMakeLists.txt
#	source/RobotAPI/libraries/armem_skills/server/segment/ExecutableSkillLibrarySegment.cpp
#	source/RobotAPI/libraries/aron/similarity_measure/CMakeLists.txt

Merge branch '126-arviz-recording-record-full-initial-scene-in-first-revision-when-recording-is-started' into 'master'

Resolve "ArViz Recording: Record full initial scene in first revision when recording is started"

Closes #126

See merge request !339

Make point cloud in ARON work for PCL 1.8

See merge request sw/armarx/robot-api!341

Merge fabianpk dev branch

See merge request !337

Test/fabianpk

See merge request !338

# Conflicts:
#	source/RobotAPI/libraries/armem_skills/server/segment/ExecutableSkillLibrarySegment.cpp