Added fill function in var.py.

theano/tensor/var.py

@@ -564,6 +564,10 @@ class _tensor_py_operators:
         """
         return theano.tensor.basic.swapaxes(self, axis1, axis2)
 
+    def fill(self, value):
+	"""Fill inputted tensor with the assigned value"""
+	return theano.tensor.basic.fill(self, value)
+
 class TensorVariable(_tensor_py_operators, Variable):
     """Subclass to add the tensor operators to the basic `Variable` class."""