Reconcile caffe with upstream caffe#8

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mtourne wants to merge 6 commits intotorrvision:masterfrom

Commits on Oct 14, 2015

Adding modified caffe as submodule
Matthieu Tourne
committed
updating submodule
Matthieu Tourne
committed

Commits on Oct 15, 2015

updating submodule
Matthieu Tourne
committed
updating submodule - now working
Matthieu Tourne
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updating submodule - CMakeScripts removal (under cmake/ folder in upstream caffe)
Matthieu Tourne
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Commits on Nov 13, 2015

Updating submodule (gpu support)
mtourne
committed