Create conversion script for metadata to neo4j and mysql format

[tomersagi]

• [x] Write script to convert data to cypher create statements
• [x] Write script to convert metadata.tsv to SQL Create statements

[tomersagi]

Started adding information from metadata.tsv to neo4j

[tomersagi]

• [x] move configuration options to config file
• [x] document usage and config to wiki

[tomersagi]

Can't document - no wiki @TYMichaelsen