implemented padding aware im2col and col2im functions
add test code to test the padding aware im2col col2im functions
add code to measure timing
remove the pad=0 case in conv_layer and im2col_layer
remove padding layers in imagenet definitions
unified to padding aware version

remove test code (no longer needed and won't compile)
remove padding_layer and its test
remove cuda_timer as is no longer needed
Merge pull request #128 from mavenlin/pad-im2col

im2col and col2im learn to pad and padding layer is obsolete
Adding GPU coverage to the DataLayer test.
HDF5DataLayer, with test.
minor comment edit
name blobs and params for their layers in python wrapper

note that pairs of params with the same layer name are the
params & bias
Merge pull request #147 from sergeyk/hdf5_data

HDF5DataLayer: read matrix of features and labels from HDF5 file as input
add cpplint.py and "make lint" to run on all c source files
Reverse the order of hdf5_hl hdf5 as LIBRARIES in Makefile
suppress linter errors due to not including the directory when naming .h
files
fix matcaffe and pycaffe linter errors
add hpp to valid cpplint extensions
exclude proto generated files from lint