Remove internal/conv

This sets font rendering back a little bit, but not much.

internal/assetstore/assetstore.go

@@ -3,6 +3,7 @@ package assetstore
 import (
 	"fmt"
 	"io/ioutil"
+	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -91,7 +92,10 @@ func (a *AssetStore) lookup(name, ext string, dirs ...string) (string, error) {
 
 	for _, dir := range dirs {
 		dir = canonical(dir)
+		log.Printf("Looking in canonical dir %s", dir)
 		if base, ok := a.entries[dir]; ok {
+			log.Printf("    base: %#+v", base)
+			log.Printf("    filename: %v", filename)
 			if file, ok := base[filename]; ok {
 				actualDir := a.entries[RootDir][dir]
 				return filepath.Join(a.RootDir, actualDir, file), nil