Draft for Input_layer copied from Data_layer
Added input_layer to set of layers and to factory
Fixed input_layer to pass tests, added cat image to data to perform the tests
Added the option to resize_image to resize images using cv::resize while reading them
Renamed input_layer to images_layer
Fixed typos to pass test_images_layer
Enforce that new_height and new_width are both 0 or both > 0
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im2col and col2im learn to pad and padding layer is obsolete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