wadindex_schema.ini: remove trailing commas in table definitions
wadindex_schema.ini: updated schema info and checksums
db_bootstrap: connect to db, populate db schema if it doesn't exist
DBFile: added has_schema and create_schema methods
wadindex_schema.ini: added 'name' field
wadindex_schema.ini: updated MD5 checksums
wadindex_schema.ini: added 'name' field to 'schema' table

- Updated checksums in all tables
db_bootstrap: read the return value of querying schema version
INIFile: parse contents of 'name' field for each schema block
DBFile: add each schema block to 'schema' table after parsing