Partial workaround for theme overriding labels style

Setting textAppearance on label does the trick, unless textViewStyle
contains non-textAppearance properties, like background.

Author: chalup

library/src/main/java/com/getbase/floatingactionbutton/FloatingActionsMenu.java

@@ -481,6 +481,7 @@ private void createLabels() {
           button.getTag(R.id.fab_label) != null) continue;
 
       TextView label = new TextView(context);
+      label.setTextAppearance(getContext(), mLabelsStyle);
       label.setText(button.getTitle());
       addView(label);