version 1.12: added support for HTML captions using format= parameter

git-svn-id: https://plugins.svn.wordpress.org/oik-nivo-slider/trunk@860405 b8457f37-d9ea-0310-8a92-e5e31aec5664
make version 1.12 the stable version

git-svn-id: https://plugins.svn.wordpress.org/oik-nivo-slider/trunk@860423 b8457f37-d9ea-0310-8a92-e5e31aec5664