Make theano-cache being installed by easy_install and be present in the ...

Minor fixes to doc

added verbose error message for function missing input

implementation of Rop for the Print op

Some fixes tests scan

removed debugging code

That line forced scan not to run with CVM .. and it was part of some
debugging I did on scan

The infershape mechanism differs for the two different type of outputs scan
can have (those with no initial state and those with initial state)

Infershape cond scan

try to fix ticket 101, but we need to test it when we make the release

test the inplace optimization for ifelse

failed with floatX=float32.

* gradient now supports non-diagonal inputs
* ExtractDiag won't crash if input has some 0-dimensions

Using new variable comparison mechanism in tests

fix test in FAST_COMPILE mode. There is no perform method defined.

example of how scan can terminate on condition

Moved the developer guide to the main theano web page.