fix bug for setLrc but not reset the mHighlightRow

1.fix bug for setLrc but not reset the mHighlightRow, if not reset the mHighlightRow, in onDraw, when  mLrcRows.get(mHighlightRow), it may exceed the new mLrcRows's length, cause an outOfIndexException
2.change the spelling error of mHighlighRow
3.add a setupwizard