Mostly PEP8 in conv2d
conv2d tests
make_random_conv2D test
Use floatX for conv2d tests and add test for different numbers of input/output channels in conv2d
formatting and correcting docstrings
docstring and remove one_hot from mnist
conv2d tests different error type for bad filters
Add tied_b option at class ConvRectifiedLinear
Add comma
Test for conv2d's lmul_T and lmul_sq_T methods
Added format checking for docstrings.
Fixed assertRaises syntax for Python 2.6
SVHN_LOCAL_PATH is real env. var used in the code
Merge pull request #713 from johnarevalo/patch-1

SVHN_LOCAL_PATH is real env. var used in the code
fix missing space
Merge pull request #710 from EderSantana/tied_b_for_ConvRelu

Tied b for conv relu
6 new cost related functions for ConvRectifiedLinear
Changed relative paths to absolute paths. Made docstrings well formated.
test that Or and And termination criteria are initiated with a list of termination criteria
remove extra s from asssert