add bioscience directory to CMake build
On branch dev
Changes to be committed:
	renamed:    opencog/bioscience/BioScienceTypes.cc -> bioscience/BioScienceTypes.cc
	renamed:    opencog/bioscience/CMakeLists.txt -> bioscience/CMakeLists.txt
	renamed:    opencog/bioscience/atom_types.script -> bioscience/atom_types.script
	modified:   bioscience/BioScienceTypes.cc
add node types and scheme opencog.conf for bioscience project
	new file:   bio_ingest.scm
	new file:   bio_pattern_matching.scm
	new file:   biocog_init.scm
	new file:   compute_herb_scores.scm