Merge pull request #68 from HellboyRob/master

Modified bumblebee
nvidia-detect: clean up text output

Minor cleanup of text output in code and README

Signed-off-by: Philip J Perry <phil@elrepo.org>
nvidia-detect: pci_fill_info() is not required

pci_fill_info() is not required to get device_class

Signed-off-by: Philip J Perry <phil@elrepo.org>
nvidia-detect: build requires pciutils-devel >= 2.2.4

PCI_FILL_CLASS was added to pciutils 2.2.4

Signed-off-by: Philip J Perry <phil@elrepo.org>
nvidia-detect: add some simple error handling

Add some simple error handling for the functions called.

Signed-off-by: Philip J Perry <phil@elrepo.org>
bumblebee spec update
Merge pull request #69 from toracat/master

bumblebee update
Made changes to sources section of bumblebee