There was a confusion by a user.

Update doc/tutorial/loop.txt

It is unclear that A was an argument to inner_fct, because it is masking a variable named A in the surrounding scope. This was VERY confusing when trying to understand this code.

Now raise an error if theano.shared() called with a Theano variable as d...

Fix two bugs reported by Nicolas

Conflicts:
	theano/scan_module/scan_op.py

New optimizations scan

Fix tests when OpenMP is not available

Fix for test of exp2 inplace on an int.

Minor fixes

Add sort method and tensor.argsort function

The problem is that node.op was still pointing to "self", not the
newly-created "op", so make_thunk still failed the first time.