Clean up: Merge and move packages

[mtenorth]

• ---Merge basic packages: ias_prolog_addons, ias_knowledge_base, knowrob_common,
  semweb---
• What to do with the old weka/mallet jar files?
• ---Merge comp_semantic_map---
• Move mod_probcog, srldb, knowrob_omics to knowrob_addons
• ---Move knowrob_vis, knowrob_mongo into the core stack---
• Also motion_constraints, mesh_reasoning, knowrob_cram?

[mtenorth]

finished with commit 6808bb0

[mtenorth]

Further changes in the knowrob stack:
jpl: became system dependency
comp_cop: removed
comp_semantic_map --> into knowrob_map_tools
ias_knowledge_base -> into knowrob_common
ias_prolog_addons -> into knowrob_common
ias_semantic_map --> into knowrob_map_data, knowrob_map_tools
knowrob_cad_parser --> moved to knowrob_addons repository
knowrob_omics --> moved to knowrob_addons repository
mod_probcog --> moved to knowrob_addons repository
mod_srdl --> knowrob_srdl
mov_vis --> removed, much of the Java code has been moved to knowrob_gui
semweb: became system dependency
srldb: removed (outdated version)
thea: removed (OWL parser replaced with wrapper around RDF parser in knowrob_common)

[mtenorth]

Further changes in knowrob_addons:
bosch_semantic_map --> moved into knowrob/knowrob_map_data
knowrob_cad_testclient --> removed
knowrob_mongo --> moved to knowrob stack
mod_execution_trace --> merged into knowrob_cram
mod_semantic_map --> renamed into semantic_map_to_owl