Update Library-Index -> New and Updated Libraries

---NEW---
BackboneJS 1.1.2
Bootstrap 3.2.0 CSS
Bootstrap 3.2.0 JS
KnockoutJS 3.1.0

---UPDATED---
Underscore 1.5.2   -> 1.6.0
PrototypeJS 1.7.1 (dev) -> 1.7.2
Lo-Dash 2.3.0 (dev)  -> 2.4.1
Raphaël 2.1.2 (dev)  -> 2.1.2

All files were successfully tested.