code: public static SpannableString typeface(CharSequence sequence, TypefaceCollection typefaceCollection) {
  		return typeface(sequence, typefaceCollection, Typeface.NORMAL);
  	}
docs: Return spannable string with default typeface style (style: Typeface.NORMAL)
  see: http://stackoverflow.com/questions/8607707/how-to-set-a-custom-font-in-the-actionbar-title
  
  @param sequence    content
  @param typefaceCollection Collection of typefaces
  @return SpannableString that can be used in TextView.setText() method