nivo_slider 7.x-1.1

This release of Nivo Slider focuses on bug fixes, including:

• Check to ensure that some banner markup exists before outputting a banner. #1388994: Add check for banner markup before outputting block content
• Fixed issues with the slider not displaying in older version of Internet Explorer #1389396: Not working on internet explorer
• Fixed Errors when upgrading from previous versions of Nivo Slider #1383412: Error after upgrading to 7.x-1.0