Move to latest bobgen, add fieldseeker schema references

This is an intermediate step between shifting from the old fs_* prefixed
table names to an entire fieldseeker schema. At this point we have both,
and we aren't doing much with the new schema but compiling.

arcgis.go

@@ -13,6 +13,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"sort"
 	"strconv"
 	"strings"