Downgrade some log messages that were left over from debugging.

Issue #143.

tailer/tail.go

@@ -201,7 +201,7 @@ func (t *Tailer) handleTruncate(f afero.File) error {
 		return err
 	}
 
-	glog.Infof("File size is %d", fi.Size())
+	glog.V(2).Infof("File size is %d", fi.Size())
 	if currentOffset == 0 || fi.Size() >= currentOffset {
 		return fmt.Errorf("no truncate appears to have occurred")
 	}
@@ -227,7 +227,7 @@ func (t *Tailer) read(f afero.File, partial *bytes.Buffer) error {
 			glog.V(2).Info("Suspected truncation.")
 			// If there was nothing to be read, perhaps the file just got truncated.
 			herr := t.handleTruncate(f)
-			glog.Infof("handletrunc with error '%v'", herr)
+			glog.V(2).Infof("handletrunc with error '%v'", herr)
 			if herr == nil {
 				// Try again: offset was greater than filesize and now we've seeked to start.
 				continue

vm/loader.go

@@ -90,11 +90,11 @@ func (l *Loader) LoadAllPrograms() error {
 func (l *Loader) LoadProgram(programPath string) error {
 	name := filepath.Base(programPath)
 	if strings.HasPrefix(name, ".") {
-		glog.Infof("Skipping %s because it is a hidden file.", programPath)
+		glog.V(2).Infof("Skipping %s because it is a hidden file.", programPath)
 		return nil
 	}
 	if filepath.Ext(name) != fileExt {
-		glog.Infof("Skipping %s due to file extension.", programPath)
+		glog.V(2).Infof("Skipping %s due to file extension.", programPath)
 		return nil
 	}
 	f, err := l.fs.Open(programPath)