wbb doesn't support the thing so later we have to make zombies.

[esnowrackley]

Revive the dead {:lang=""} after we find support for those with wbb.
Insert at these lines using the dif from these commits:

[https://github.com/ClevelandOnRails/rubyonrailsbook/commit/1e7167767e20d3d1e8fe1dd329404fbdd76df8cc](Chapter 1)

[https://github.com/ClevelandOnRails/rubyonrailsbook/commit/7cec2ed7fd547bd420ca437f15eb423723b1fe94](Chapter 2)

[https://github.com/ClevelandOnRails/rubyonrailsbook/commit/72642b0b78f3e71587591e1c54788d6bbacf9915](Chapter 3)

[https://github.com/ClevelandOnRails/rubyonrailsbook/commit/59f3743dcc6a09b9e44a4a58877ff1396d4cc345](Chapter 4)

Updated as killed.