Updated convnet tutorial: fixed deprecation warnings
Add dtype to IndexSpace
Merge remote-tracking branch 'upstream/master' into index_space_dtype
Pass dtype of IndexSpace to SimplyTypedSpace constructor
Set int64 instaed of int32 as IndexSpace default
Added tests for IndexSpace dtype casting and updated IndexSpace comparison operator to include dtype test
Merge pull request #625 from rickardnorlander/master

Updated convnet tutorial: fixed deprecation warnings, and corrected paths
document channels published by train
Merge pull request #654 from bartvm/index_space_dtype

Index space dtypes
Merge pull request #655 from goodfeli/doc_train_channels

document channels published by train
IndexSpace.__eq__ and __str__ no longer ignore the space's dtype
Merge branch 'master' into updated_format_as
SimplyTypedSpace._clean_dtype_arg()'s dtype arg can now be a numpy.dtype object.
Fixed crash that happened when unpickling Spaces that were pickled back when Spaces didn't have dtypes. Now, such old Spaces are given the default dtype (theano.config.floatX)
allow SimplyTypedSpace._clean_dtype_arg() to take a numpy.dtype as its dtype argument
pep8
Added doc to SimplyTypedSpace, clarifying that it's an abstract class
Merge pull request #657 from SuperElectric/updated_format_as

Space unpickling bugfix (backwards-compatibility)
Changed the error type when Conv2D given wrong arguments
Added format enforcement unit test.