Faster sql links loading using flat text files.
Change WP prefix to WB
Added database optimization code.
Added vacuum analyze to PG
Merge pull request #168 from shilad/fast-sql-links

Faster sql links loading using flat text files.
Added code to search by Wikidata value (i.e. All instances of "country").

 Added cookbook example that calculates the distances between all countries.
Benchmarking script for LocalLinks.
Fix bug
Added dropped csv.
Merge branch 'master' into spatial