Revert "Use jsDelivr CDN until BootstrapCDN gets updated"
Revert "Use jsDelivr CDN until BootstrapCDN gets updated"

This reverts commit ea23969150e7329dd4e996b844db0282c4d2319d.

BootstrapCDN has now uploaded Bootstrap v3.3.0

ammula88/bootstrap,ammula88/bootstrap,ammula88/bootstrap,ammula88/bootstrap