Add task to test network building

dataports need fixing!
Add empty MapMultiplicity component
Change input/output dataports
Fix PCL dependency, change dataports

Include PCL library, link it in /src/CMakeLists.txt.
Fix header include - point cloud type.
Change input dataport to get model features' multiplicity maped to
joined multiplicity indexes.
Add component implementation

Tweak data streams
Merge branch 'feature/MapMultiplicity' into develop