Revert "Add bower.json"

This reverts commit 9f57d757d9d2fc39cb6506c819d3c1d6509e7433.
Revert cffd674..2aa0041

This rolls back to commit cffd674ba3e085e382704b9e73c9a76a35bb1c48.
Revert 6c6694a..c7f0e04

This rolls back to commit 6c6694abf76130b2d5b4c29da10c460bdbfd0ab1.
Use CDNs for demo. Remove local copies.