replace OGR dependency for limitto with simple GeoJSON parser
use new GeoJSON reader for limitto tests
refactored geojson API; add tests
remove GDAL from dependencies
Merge branch 'ogr-replace'
call go test in test target
disable diff download tests
db.Insert takes OSMElem instead of row
add TableType type
avoid duplicate buffer
rename InsertBuffer to TxRouter
move tag matching into database package
remove tagmatcher from Writer
move tagmatching to database for deletes
record updated IDs for updating generalized tables later
move TableTx into tx.go
update generalized tables
make GeneralizedTableTx synchronous
store Prefix+Name as FullName
use single transaction for non-bulk import