Revert "Update index.html"

This reverts commit b0b88366a628b774856af86761595177abb66c98.
Revert "Update bz-0.2.4.js"

This reverts commit 2dd290c9505e6a8877054f42071c058a97fd6fc6.
Revert "Upgraded bz-0.2.3 to bz-0.2.4"

This reverts commit f5e635c661d0fd7b1111cb5a8b3b0b4439803d9d.