Test updating network

Add findFeatureNode and displayProbability methods
Add method for observing node
Extract method: observe one feature node
Extract method: display all node names in network
Add SIFTObjectModel component to dependencies
Add task for lab experiment
Add task for trivial test in lab
Add core file to gitignore
Add dependency to readme
Enchance logging
set default BN algorithm
Add Mapper to lab task
Add new component to DCL structure

Add proper CMakeLists.txt
Add empty component files
Fix indendation in header file
Add input data stream
Prepare event handlers
Register data stream and handler for input
Register output datastream
Fix class name

Remove OctreeContainters dependency
Add boost libs