Update intel-integrated-graphics-dedicated-gpu-for-cuda-and-ubuntu-1310....

Updated article also for Ubuntu 14.04
`grep 'VGA\|NVIDIA'` since not all NVIDIA cards have graphical output (see Tesla K40c)
Need to add `nvidia-uvm` to the Linux Kernel
No need of `sudo` for `nvidia-smi`
`xserver-xorg-glamoregl` is not available anymore and `xserver-xorg-video-glamoregl` replaces it