Update documentation for 14.04

[lofidevops]

While there is a package in the PPA for 14.04, it is not clear to me if I should use it, if I should use the 13.10 instructions to do so, or how it interacts with nvidia-prime and the associated kernel changes that provide Optimus support.

Please update the appropriate pages [*] with instructions/explanations. A formal word on what kernel support means for the Bumblebee project would also be appreciated. Is Bumblebee now effectively an alternative to nvidia-prime, or something else?

Thanks for making my laptop run cooler all these years :)

[*] I'm not sure if that would be: http://www.bumblebee-project.org or https://wiki.ubuntu.com/Bumblebee or https://launchpad.net/~bumblebee or a subpage

[Lekensteyn]

If you would like to use Bumblebee, then you cannot use nvidia-prime and vice versa. 13.10 instructions should still be valid for 14.04, but since I stopped using Kubuntu on my laptop for a while, I cannot confirm that.

For running cooler and using less power (if you do not need the nvidia chip often), you probably still want to use Bumblebee (well, bbswitch at least).