Add sort.grad support for vector and matrix when axis is None.

Fix the detection of where cuda is installed.

inserting missing comma when adding '-ccbin' to direct argument flags

betatim provided a fix to Theano/Theano#1912 in commit Theano/Theano@bb4b1a5
however that fix did not include a comma on the end of the line, causing the
'-ccflags' to be merged with the next string '--fmad'

Scan crash

Crash fix broadcast

Shape check input

Better error when missing inputs.

Svd op

Swapaxes

Check input doc

Interface change: Make theano.tensor.signal.conv2d(2d,2d) output 2d answer.

Doc typed list and better sparse doc.

<class 'theano.tensor.subtensor.IncSubtensor'>
<class 'theano.tensor.elemwise.DimShuffle'>

<class 'theano.tensor.opt.Assert'> 16
<class 'theano.compile.ops.Rebroadcast'> 19
<class 'theano.tensor.basic.Join'> 32
<class 'theano.compile.ops.OutputGuard'> 44
<class 'theano.tensor.basic.Reshape'> 46
<class 'theano.compile.ops.DeepCopyOp'> 56
<class 'theano.sandbox.cuda.basic_ops.GpuFromHost'> 58
<class 'theano.sandbox.cuda.basic_ops.HostFromGpu'> 70