Be more permissive about the platform found in the UA

At least temporarily, until trac 26146 is resolved.

Trac: 26566

utils.go

@@ -55,7 +55,7 @@ func GetHost(r *http.Request) (host string, err error) {
 	return
 }
 
-var TBBUserAgents = regexp.MustCompile(`^Mozilla/5\.0 \(((Windows NT 6\.1)|(Android; Mobile)); rv:[\d]+\.0\) Gecko/20100101 Firefox/[\d]+\.0$`)
+var TBBUserAgents = regexp.MustCompile(`^Mozilla/5\.0 \([^)]*\) Gecko/20100101 Firefox/[\d]+\.0$`)
 var OrfoxUserAgents = regexp.MustCompile(`^Mozilla/5\.0 \(Android; Mobile; rv:38.0\) Gecko/38.0 Firefox/38.0$`)
 
 func LikelyTBB(ua string) bool {

utils_test.go

@@ -4,7 +4,7 @@ import "testing"
 
 var UserAgents = map[string]bool{
 	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:10.0.2) Gecko/20100101 Firefox/10.0.2":                                    false,
-	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:11.0) Gecko/20100101 Firefox/11.0":                                        false,
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:11.0) Gecko/20100101 Firefox/11.0":                                        true,
 	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36": false,
 	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/536.30.1 (KHTML, like Gecko) Version/6.0.5 Safari/536.30.1":    false,
 	"Mozilla/5.0 (Windows NT 6.1; rv:10.0) Gecko/20100101 Firefox/10.0":                                                        true,
@@ -14,6 +14,9 @@ var UserAgents = map[string]bool{
 	"Mozilla/5.0 (Android; Mobile; rv:38.0) Gecko/38.0 Firefox/38.0":                                                           true,
 	"Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0":                                                        true,
 	"Mozilla/5.0 (Android; Mobile; rv:52.0) Gecko/20100101 Firefox/52.0":                                                       true,
+	"Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0":                                                        true,
+	"Mozilla/5.0 (Android; Mobile; rv:60.0) Gecko/20100101 Firefox/60.0":                                                       true,
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Firefox/60.0":                                       true,
 }
 
 func TestLikelyTBB(t *testing.T) {