Some reader functionality expansions & minor improvements

[Algomorph]

1. Added a Pangolin-based reader that can process any pangolin URI that has a depth and rgb stream.
2. Added GeForce GTX 780 thread / block stats.
3. A few minor typo fixes

[martinruenz]

Cool, I never used this Pangolin functionality, but I think this can be useful for others as well.

Have you tested the code? I am getting the following compile error:

/co-fusion/GUI/Tools/PangolinReader.cpp:99:12: error: no match for ‘operator=’ (operand types are ‘std::unique_ptr<pangolin::VideoInterface>’ and ‘pangolin::VideoInterface*’)
  interface = pangolin::OpenVideo(this->uri);

[Algomorph]

@martinruenz , I have tested the code. Perhaps the difference is that you're still using an older version of Pangolin. Could you try pulling Lovegrove's version, master branch, and trying it with that? I think it will work with the code in the PR, since that's what I'm using.

[martinruenz]

I see. The build script actually clones a modified version of pangolin, which allows to remove variables again. Since I am not making use of this feature in Co-Fusion (although I was planning to), switching to the Pangolin master-branch is a viable option. I'll think about this and probably merge your request later today / tomorrow.