Revert "Delete internal tag from files"

This reverts commit 58c0c557bebba01dc846fcfb0600387f9c14d3e0.
Revert "deleted extra files"

This reverts commit eeced21122ae65de0292e9888eabf98ff7a942a5.
Revert "adding backbone.js basic tutorial project"

This reverts commit b58b1cf47507804d6c4bd5245e258b198e6f39f8.
Revert "Revert "adding backbone.js basic tutorial project""

This reverts commit 49341e50666142b4325839d993c8bee1528e3d69.
Revert "Revert "deleted extra files""

This reverts commit 097044eff563064bb546b6bba99e37a5140e1dc5.
deleted all older files

deleted all older files
updated code

add new code