Next: 0.99

The next release packages up 100+ commits by 10 authors. Thanks all!

- padding-awareness to reduce memory usage #128 
- pycaffe improvements (in particular access to blobs, params, and diffs by layer) #199 #228 
- visualization of model filters #226 
- run all tests together and summarize failures #179 
- lint #163 #168 
- hdf5 data #147 #217 #203 
- concatenation layer #125 
- better timing for benchmarks #136 
- print memory usage #191 
- cuda-convnet CIFAR-10 model definitions #18 

NEW DEPENDENCY: hdf5.
DEPRECATION: padding layers.