Add comment to Makefile.config.example about DEBUG flag issue in OSX per #171.
add latest CUDA arch to fix invalid device function errors

...on devices of that architecture.
Merge pull request #554 from shelhamer/nvcc-arch-50

Add latest CUDA arch to fix invalid device function errors on such devices
Add parameter for AccuracyLayer in proto.
Incorporate top_k param into AccuracyLayer and check it's value.
Compute top-k accuracy in AccuracyLayer.
Use vectors instead of arrays.
Next LayerParameter proto id
Add unit test for accuracy layer.
Update name of last added param.
Comment-fix.
Merge pull request #531 from flickr/dev-top-k-accuracy

Measure accuracy as top-k (default to top-1)
Merge pull request #510 from crizCraig/patch-1

Add comment to Makefile.config.example about DEBUG flag issue in OSX
Wrap the CPU and GPU math functions in math backend classes
Add the math backend to the Layer base class
Add device type independent getters to Blob
Remove tab from the code and reformat using google style
Allow Layer::Forward and Backward to be overridden
Use zero as the default return values of Blob data and diff methods
Add and test device type ignorant Forward and Backward in ConcatLayer