Fixed example in README and a test comment.

README.md

@@ -32,14 +32,15 @@ import (
 	"github.com/labstack/gommon/log"
 )
 
-var templatesRootDir = "testdata/tpls"
+// Multiple templates paths. The first found template with a certain name is
+// loaded. Convenient for themes, multidomain sites etc.
+var templatesRoots = []string{"./testdata/tpls/theme","./testdata/tpls" }
 var filesExt = ".htm"
-var logger *log.Logger
 
 //...
 
 // Once on startup.
-tpls, err := gl.New(templatesRootDir, filesExt, [2]string{"<%", "%>"}, false)
+tpls, err := gl.New(templatesRoots, filesExt, [2]string{"<%", "%>"}, false)
 if err != nil {
 	fmt.Print("Error:", err.Error())
 	os.Exit(1)

gledki_test.go

@@ -181,7 +181,8 @@ func TestAddExecuteFunc(t *testing.T) {
 	}
 }
 
-// We put the second path as first, so files in it will be found first, if they exist.
+// We put the second path as first, so files in it will be found first, if they
+// exist. The test is successful if the "black" theme files are used.
 func TestAddExecuteFuncWithTheme(t *testing.T) {
 	roots := []string{includePaths[1], includePaths[0]}
 	tpls, _ := New(roots, filesExt, tagsPair, false)